Incoming Resources
- Harper & brothers, New York and London, 1946
- Harper & brothers, New York and London, 1939
- G.P. Putnam's Sons, New York and London, 1899
- McGraw-Hill book company, inc., New York and London, c1942
- Harper & brothers, New York and London, 1925
- Harper & brothers, New York and London, 1935
- G. P. Putnam's sons, New York and London, 1913
- G. P. Putnam's Sons, New York and London, 1903
- G. P. Putnam's sons, New York and London, 1899
- Harper & brothers, New York and London, 1943
- Harper & brothers, New York and London, 1928
- Co-operative Publication Society, New York and London, n.d