BLACK, NEWTON HENRY.
Elementary practical physics. By Newton Henry Black & Harvey Nathaniel Davis.
BLACK, NEWTON HENRY. Elementary practical physics. By Newton Henry Black & Harvey Nathaniel Davis. © 25Jan38; A113668. Helen Miller Davis (W of H. N. Davis), Mrs. Woodruff J. Emlen & Margaret B. Richardson (C of N. H. Black); 27Oct65; R371838.
Helen Miller Davis|W of H. N. Davis||Mrs. Woodruff J. Emlen & Margaret B. Richardson|C of N. H. Black