Late results after amputation of the breast for carcinoma : Moschcowitz, Alexis V., Colp, Ralph, and Klingenstein, Percy. Ann. Surg., August, 1926, lxxxiv, 174–184The American Journal of Surgery1927PDF113 KB
External fecal fistulae in acute appendicitis : Colp, Ralph. Ann. Surg., Dec., 1926, lxxxivThe American Journal of Surgery1927PDF120 KB
Textbook of Surgical Nursingby Ralph Colp; Menelva Wylie KellerMiller · AJN American Journal of Nursing1922PDF153 KB
Textbook of Surgical Nursingby Ralph Colp; Manelva W. KellerGosman · AJN American Journal of Nursing1930PDF499 KB
To Be an Invalid. The Illness of Charles Darwin.by Ralph Colp,Fowler · The Quarterly Review of Biology1978PDF335 KB
To Be an Invalid: The Illness of Charles Darwinby Ralph Colp,Skultans · The American Historical Review1978PDF144 KB
To Be an Invalid: The Illness of Charles Darwinby Ralph Colp,Pitkow · The American Biology Teacher1977PDF664 KB
Textbook of surgical nursing: By Ralph Colp, m.d., and Manelva Wylie Keller, R.N. Ed. 2. N. Y., Macmillan Co., 1929The American Journal of Surgery1929PDF115 KB
To be an invalid: The illness of Charles Darwin: by Ralph Colp, Jr. University of Chicago, Ill., 1977. 285 pp. $17.50Kucharski · Social Science & Medicine (1967)1977PDF159 KB