Dr. Rajendra Prasad Central Agricultural University, Pusa Search for 'au:"Simpson, George Gaylord"'

Meaning of Evolution

By Simpson, George Gaylord. Calcutta Oxford and IBH Publishing Co. Pvt. Ltd. 1949 . 364

By Simpson, George Gaylord. Calcutta Oxford and IBH Publishing Co. Pvt. Ltd. 1965 . 247

By Simpson, George Gaylord. Calcutta Oxford Book Company 1965 . 247

By Simpson, George Gaylord. Calcutta: Oxford Book Company, 1969 . xii, 247 p.