The Hermann C. Baumann Collection consists entirely of architectural drawings, arranged alphabetically by project name. These drawings primarily relate to San Francisco apartment buildings, designed from 1924-1937. Many of the projects were designed in conjunction with engineer Edward Jose, under the firm name Baumann & Jose. An index of these drawings is available in the archives.

There is an additional donation (2009-11) of two sets of drawings for multi-residential units. They were drawn for A. Brown and W. Props.