His credentials are many, but in Woolf circles Mr. Rosenbaum is best known for his work on the literary history of the Bloomsbury Group. Among these works are:
- Editing The Bloomsbury Group: A Collection of Memoirs, Commentary and Criticism (1975, revised and updated in 1995)
- Three volumes tracing the literary history of Old Bloomsbury from the 1880s to 1914: Victorian Bloomsbury (1994), Edwardian Bloomsbury (1994) and Georgian Bloomsbury (2003)
- Aspects of Bloomsbury (1998)
- The discovery and editing of the manuscript of Virginia Woolf’s A Room of One’s Own (1992)
- Collecting Woolf’s published and unpublished memoirs in The Platform of Time: Memoirs of Family and Friends (expanded edition, 2008)
Mr. Rosenbaum’s papers are housed at the E.J. Pratt Library.