The archive of the Holliday Bookshop contains book catalogues, correspondence, writings, publicity, and photographs, dating from 1921 to 1979. The archive was donated to the Mortimer Rare Book Room in 1994 by John Detmold, in memory of his aunt, Elsa Detmold Holliday, class of 1911. The collection is divided up into five series, in 52 folders.

This collection is organized into five series:

• I. Book Catalogues, 1921-1937
• II. Correspondence, 1921-1973
• III. Publicity, 1924-1979
• IV. Writings, 1929-1930
• V. Photographs

The collection is divided up into five series, in 52 folders.