The Bodleian Library Publishing website gives details of all Library publications.
Illustrating Empire by Ashley Jackson and David Tomkins focuses on Empire-related ephemera in the John Johnson Collection.
The following titles are now out of print and are available online:
The John Johnson Collection: catalogue of an exhibition. Oxford, Bodleian Library, 1971
A Nation of Shopkeepers: Trade Ephemera from 1654 to the 1860s in the John Johnson Collection by Julie Anne Lambert. Oxford, Bodleian Library, 2001
Also available, a series of books based on the John Fraser Collection of Propaganda Postcards
The superb John Fraser Collection was donated to the Library in 2007 and now forms part of the John Johnson Collection. A series of books was written by Andrew Roberts, in 2008-2009, on the following themes:
Postcards from the Trenches
Postcards from the Russian Revolution
Postcards of Political Icons
Postcards from Checkpoint Charlie
Postcards of Lost Royals
Postcards from Utopia