Incoming Resources
- Harper & brothers, New York, London, c1941
- Harper & brothers, New York, London, 1925
- Harper & brothers, New York, London, 1938
- Harper & brothers, New York, London, c1945
- Harper & brothers, New York, London, 1943
- Harper & brothers, New York, London, 1939
- Harper & brothers, New York, London, 1947
- Harper & brothers, New York, and London, 1937
- Harper & brothers, New York and London, c1933