Francis A. Countway and "the Lever way"

Lovett, Robert W.2020-07-301970Lovett, Robert W. 1970. Francis A. Countway and "the Lever way". Harvard Library Bulletin XVIII (1), January 1970: 84-93.0017-8136https://nrs.harvard.edu/URN-3:HUL.INSTREPOS:37363897en-USFrancis A. Countway and "the Lever way"Journal Article2020-07-30