Sampson, R. A. (Ralph Allen), b. 1866.
Correspondence with Sir D'Arcy Wentworth Thompson, 1917-1937.
Astronomer Royal of Scotland.
Thompson, D'Arcy Wentworth, 1860-1948.
Astronomers lcsh
AIP-ICOS
University of St. Andrews. Library. Manuscripts Department. North Street, St. Andrews, Fife KY16 9AJ