Robert V. Williams The Use of Punched Cards in US Libraries and Documentation Centers, 1936-1965. [Citation Graph (0, 0)][DBLP] IEEE Annals of the History of Computing, 2002, v:24, n:2, pp:16-33 [Journal]
Robert V. Williams The Documentation and Special Libraries Movements in the United States, 1910-1960. [Citation Graph (0, 0)][DBLP] JASIS, 1997, v:48, n:9, pp:775-781 [Journal]