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This article traces the history of the relationship of papermaking and paper to libraries over time. Paper was first made in China and is traditionally considered one of that nation's four greatest inventions, along with gun powder, printing, and the compass. Papermaking was often associated with archives in its early development in China, as well as when it was introduced to Japan, where it came to be a part of some Shinto and Buddhist temples, and later governmental agencies. Under Islam, the availability of paper was linked to increased literacy and growth of libraries. In early modern Europe, before the widespread use of wood in the papermaking process, libraries and archives were part of an "economy of paper" with paper at times being in short supply. In the modern era, the world of papermaking did not intersect much with the world of the library, which made progress with the problem of brittle books, one of its greatest challenges, slow, though recent efforts of government, industry, scientists, and representatives of the library have produced positive results. The damage caused by wood-based paper in libraries was mirrored by the environmental damage caused by wood-based papermaking in communities. The history of papermaking and libraries demonstrates the importance of understanding the technologies which support the library, while also advocating effectively to the representatives of all its sources of support in ways which promote the values of the library and its associated community. [ABSTRACT FROM AUTHOR]

Aims: The purpose of this study was to evaluate the effects of ambient or altered environmental conditions on the inactivation of SARS‐CoV‐2 applied to materials common in libraries, archives and museums. Methods and Results: Porous and non‐porous materials (e.g. paper, plastic protective book cover) were inoculated with approximately 1 × 105 TCID50 SARS CoV‐2 (USA‐WA1/2020), dried, placed within test chamber in either a stacked or unstacked configuration, and exposed to environmental conditions ranging from 4 to 29°C at 40 ± 10% relative humidity. The amount of infectious SARS‐CoV‐2 was then assessed at various timepoints from 0 to 10 days. Ambient conditions resulted in varying inactivation rates per material type. Virus inactivation rate decreased when materials were stacked or at colder temperatures. Virus inactivation rate increased when materials were unstacked or at warmer temperatures. Conclusions: SARS‐CoV‐2 at ambient conditions resulted in the inactivation of virus below limit of quantitation (LOQ) for all materials by Day 8. Warmer temperatures, for a subset of materials, increased SARS‐CoV‐2 inactivation, and all were

MS Tunis, Dār al-kutub al-waṭaniyya, 7116, is the only extant manuscript containing a complete copy of the Isḥāq/Ṯābit version of the Almagest. Paul Kunitzsch has underlined the close similarities between the marginal notes in the Tunis manuscript and those in Gerard of Cremona's Latin translation of the Almagest , so that Kunitzsch has concluded that Gerard of Cremona had a manuscript close to the Tunis manuscript before him during the revision of his translation of the Almagest. A note in MS Tunis, Dār al-kutub al-waṭaniyya, 7116, points out that this manuscript was copied from a model owned by al-Arawšī, a bibliophile living in Valencia famous for the size of his library, a significant part of which was looted by al-Maʾmūn b. Ḏī l-Nūn and sent to Toledo, arguably shortly before Ṣāʿid al-Andalusī wrote his Ṭabaqāt al-umam. Based on MS Tunis, Dār al-kutub al-waṭaniyya, 7116, the present contribution explores the significance of al-Arawšī's looted library as an important link between Umayyad Cordoba and Toledo. It also calls attention to the highly unusual paper of MS Tunis, Dār al-kutub al-waṭaniyya, 7116, made of woven fibers, maybe flax. Résumé: Le manuscrit de Tunis, Dār al-kutub al-waṭaniyya, 7116, est le seul manuscrit existant contenant une copie complète de la version d'Isḥāq/Ṯābit de l' Almageste. Paul Kunitzsch souligna les fortes similitudes entre les notes marginales du manuscrit de Tunis et celles de la traduction latine de l' Almageste par Gérard de Crémone, de sorte qu'il conclut que Gérard de Crémone avait devant lui un manuscrit proche du manuscrit de Tunis lors de la révision de sa traduction de l' Almageste. Une note dans le manuscrit de Tunis, Dār al-kutub al-waṭaniyya, 7116, signale que ce manuscrit a été copié d'après un modèle appartenant à al-Arawšī, un bibliophile vivant à Valence et célèbre pour la taille de sa bibliothèque, dont une importante partie fut pillée par al-Maʾmūn b. Ḏī l-Nūn et envoyée à Tolède, sans doute peu avant que Ṣāʿid al-Andalusī ne rédige ses Ṭabaqāt al-umam. S'appuyant sur le manuscrit de Tunis, Dār al-kutub al-waṭaniyya, 7116, la présente contribution explore l'importance de la bibliothèque pillée d'al-Arawšī comme lien essentiel entre la Cordoue omeyyade et Tolède. Elle porte également une attention particulière au papier très inhabituel du manuscrit de Tunis, Dār al-kutub al-waṭaniyya, 7116, fait de fibres tissées, peut-être du lin. [ABSTRACT FROM AUTHOR]

The grey silverfish Ctenolepisma longicaudatum is a new and serious pest spreading rapidly across Europe. Compared to the silverfish Lepisma saccharinum, it does not depend on relative humidity above 70% and thrives also in new museum buildings, modern storage depositories, apartments, and office buildings. Especially collections of graphic art, modern art on paper, photographs, but also archives and libraries are increasingly affected by this pest. Damage of paper objects has been reported by different authors and institutions across Europe. As these animals live in inaccessible cracks and crevices inside the buildings, we investigated the spread of microorganisms on living grey silverfish, to show a potential additional threat posed by this pest. In 8 locations in Austria living animals were collected with traps and placed for 10 min on agar plates which were incubated for 2 weeks. After incubation of 50 agar plates, between 2 and 20 colonies of fungi were growing on each plate. The most dominant fungal genera were Cladosporium (Cladosporium cladosporioides clade) and Penicillium (Penicillium glabrum, Penicillium decumbens); also, species of the genera Aspergillus, Alternaria, Botrytis, Bartalinia, Byssochlamis, Chaetomium and Mycothypha were found. The diversity of fungi reflects the common fungal community of museums and archives. The spores and mycelial fragments of the fungi are obviously travelling on the legs and bodies of the silverfish. [ABSTRACT FROM AUTHOR]

This paper describes the development of books and libraries in China, from the formation of the first dynasties until the fall of the Empire, at the beginning of the 20th century. Their status and roll were placed in the context of social, political and cultural changes, especially those which had the profound impact on their further development. The invention of paper and xylography as an initial stage in the development of printing techniques were of immense importance throughout the world at that time. Both inventions have contributed to the increase in printing and publishing production, not only within the territory of China but also in other parts of the world. In this paper, they were considered within Chinese society which was their source. Also, the paper considers different types of libraries. Special attention is given to their work in the period of stability which resulted in faster development of cultural institutions. The Imperial Library, as well as the other state libraries, was especially active during the rule of the Song dynasty. Other types of libraries developed mostly during the rule of the Tang, Ming, and Qing dynasties. In spite of the fact that Chinese libraries were not open to the public (they were more depository then rental institutions) they had strong impact, especially on groups closely related to the emperor. Exceptions were monastic libraries, since their rules obliged the monks to write and read books in the silence of the temples. The first part of the paper describes printing production which contributed to the increase in the types and number of publications in all libraries of China. [ABSTRACT FROM AUTHOR]

Much research has been focused on maintaining stable humidity conditions in buildings housing heritage collections while reducing energy use. Moisture buffering by collections themselves can have a marked effect on the stabilisation of relative humidity (RH), the key parameter for preservation. Modelling of moisture transport using COMSOL Multiphysics was applied to transform three-dimensional paper and wooden objects into their one-dimensional representations, without changing the moisture uptake and release characteristics. The results were coupled to the modelling of indoor microclimate and energy consumption in collection storage spaces with the use of WUFI ® Plus software. The study revealed the crucial impact of air exchange rate of the building on the stability of indoor RH and the humidification and dehumidification loads required to maintain it. In the adequately air-tight library store, a sizeable paper collection was found to reduce the RH fluctuations from ±9% to ±6% around the yearly average and the energy consumption due to the humidification and dehumidification load by 38% when compared with the empty space, for a high-quality climate control scenario. In turn, a wooden collection, occupying a realistic fraction of a museum store was not large enough to significantly narrow down the RH variations and reduce the energy consumption. [ABSTRACT FROM AUTHOR]

The implementation of chemical filtration in air-conditioning systems in archive and library repositories has become standard practice for heritage institutions in many countries. This practice is codified in official standards with general reference to a substantial body of scientific publications on the effects of air pollutants on paper materials. In this paper we report the application of a well-established decision analysis approach elaborating an integral cost-benefit perspective to provide decision support to four European national heritage institutions confronted with dilemmas in connection to chemical air filtration. Available scientific evidence for air pollution induced damage of paper material is reviewed and weighed against financial and environmental costs of air pollution control. Exposure of paper to both indoor and outdoor generated air pollutants at typical concentration levels observed within storage areas is expected to cause minimal to no additional yellowing and embrittlement, while the costs of chemical air filtration are significant. From a cost-benefit perspective the use of chemical air filtration in typical library and archive repositories is therefore discouraged. [ABSTRACT FROM PUBLISHER]