Incoming Resources
- Harper & brothers, New York, London, 1942
- Harper & brothers, New York;, London, c1924
- Harper & brothers, New York, London, 1936
- Harper & brothers, New York and London, 1909
- Harper & brothers, New York, London, 1906
- Harper & brothers, New York, c1949
- Harper & brothers, New York and London, 1940
- Harper & brothers, New York and London, 1945