Brooks, Philip Coolidge, 1906-1977. Research in archives; the use of unpublished primary sources [by] Philip C. Brooks. - Chicago, University of Chicago Press c1969. - xi, 127 p. ; 22 cm. Bibliography: p. 115-119. Subjects--Topical Terms: History--Research.Archives. Dewey Class. No.: 907.2 / BRR 1969