First John Harvard Library Titles Due in April, PW, Jan. 25, 1960, at 216 (announcing first five titles in hardcover).
The Second Five Books in the John Harvard Library, PW, Sept. 26, 1960, at 44-45 (announcing second five titles in hardcover).
Ad, PW, Feb. 20, 1961, at 12 (promoting the third five titles in hardcover).
Harvard University Press is going to publish paperback editions of eight leading books in the John Harvard Library, PW, May 24, 1965, at 56.