Allentuck, Marcia2020-07-301972Allentuck, Marcia. 1972. Blake, Flaxman, and Thomas: A new document. Harvard Library Bulletin XX (3), July 1972: 318-319.0017-8136https://nrs.harvard.edu/URN-3:HUL.INSTREPOS:37364017en-USJournal Article2020-07-30