The following have been added to the Zotero Group for Ancient World Open Bibliographies and the Ancient World Open Bibliographies Wiki.
Roman Authors
A Select Bibliography to Pliny’s Letters
http://classics.uc.edu/~johnson/pliny/plinybib.html
William A. Johnson, Department of Classics, University of Cincinnati.
Last updated 2005.
This reading list, for a graduate class, includes books and articles in multiple languages. Major sections include editions, commentaries, etc.; Pliny and literary culture; Pliny and spatial culture (especially villas); and a catchall which includes general topics, chronology, prosopography, etc.
Select Bibliography: Roman Letters (Pliny)
http://www.class.uidaho.edu/luschnig/Roman%20Letters/Pbib.htm
C. A. E. Luschnig, Department of Foreign Languages and Literatures, University of Idaho.
No last update date; latest items are 1990.
A select bibliography for an undergraduate latin class, this includes works in English, a few general books and a longer list of scholarly articles with a focus on Pliny’s letters.
Ancient World Open Bibliographies 