SUMMARY. The author discusses the development and operations of Memoriae Mundi: Series Bohemica, a nation-wide program to digitize rare library materials, especially old manuscripts, making possible the sharing of many library documents which are otherwise inaccessible. The program is related to the UNESCO “Memory of the World” program. More than four hundred old manuscripts from Czech institutions are now available in digital form, as well as a considerable amount of material under a related project (the Kramerius program) to digitize old newspapers. Documents produced are structured in an SGML-based application, enabling basic Internet browsing. The National Library has now begun to store documents in a robotic environment that will make them available on the Internet in an online dialog regime. The basic principles of participation in the program are the willingness to open collections to users and the adherence to recommended standards. This paper characterizes these standards, defines existing work routines and access opportunities, and briefly describes future plans for the project. [Article copies available for a fee from The Haworth Document Delivery Service: 1-800-HAWORTH. E-mail address: <https://getinfo@haworthpressinc.com">getinfo@haworthpressinc.com> Website: <https://www.HaworthPress.com">https://www.HaworthPress.com> © 2002 by The Haworth Press, Inc. All rights reserved.]