Bulletin - State of Illinois, Department of Registration and Education, Division of the State Geological Survey Illinois State Geological Survey Published: 1925 Total Pages: 756 Get eBook
Transactions of the Royal Society of South Africa Royal Society of South Africa Published: 1917 Total Pages: 960 Get eBook
A Manual of the Flowering Plants and Ferns of the Transvaal with Swaziland, South Africa, by Joseph Burtt Davy. With Illustrations by W. E. Trevithick and Alice Bolton Davy Joseph Burtt-Davy Published: 1926 Total Pages: 320 Get eBook
