Harding, Walter2020-07-301967Harding, Walter. 1967. Daniel Ricketson's copy of "Walden". Harvard Library Bulletin XV (4), October 1967: 401-411.0017-8136https://nrs.harvard.edu/URN-3:HUL.INSTREPOS:37363940en-USDaniel Ricketson's copy of "Walden"Journal Article2020-07-30