Two papers on rare books and documents which were delivered at the 1982 International Federation of Library Associations (IFLA) conference are presented. In "Museums of the Book: Their Problems and Their Relations to Libraries," Jaroslav Vrchotka (Czechoslovakia) provides a discussion of museum activities, noting similarities and dissimilarities with library activities. Also given is the text of a resolution from the 1977 Conference on the Problems of Museums of the Book and their Role in the Modern World. The resolution recommends the establishment of a working group on international cooperation between libraries and museums of the book within the IFLA Section of Rare and Precious Books and Documents. The paper entitled "The Union Catalogue of Incunabula (GW) and Collections of Incunabula in Libraries Worldwide" by Ursula Altmann (German Democratic Republic) describes international cooperation in incunabula research and the activities of IFLA in promoting the compilation of the Union Catalogue of Incunabula, which is being published by the Deutsche Staatsbibliothek; it is currently available up to the first part of volume 9 covering "Gabelle to Gerp." (ESR)