Curtis, K. H. (1957). Correspondence, July 30, 1957 through August 21, 1957. Saint Louis University Libraries Digitization Center.
Dyfyniad Arddull ChicagoCurtis, Kennth; Heuduck. Correspondence, July 30, 1957 Through August 21, 1957. Saint Louis University Libraries Digitization Center, 1957.
Dyfyniad MLACurtis, Kennth; Heuduck. Correspondence, July 30, 1957 Through August 21, 1957. Saint Louis University Libraries Digitization Center, 1957.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.