Stephen BARKER is the author of Orbital Elements of None Spectroscopic Binaries (1967), Hallowell Granite and Associated Rocks, South Central Maine (1961), Industrial Conflict Under the NRA: Attitudes and Actions of Industry, Labor and Government in the Interpretation and Administration of Section 7(a) of the National Industry Recovery Act from Its Passage to June 1934 (1955), Artist File, Cobble Knoll, the Cannon-Evans House.