Arithmetic designed for the use of schools : to which is added a chapter on decimal coinage Q Science
Descriptions of twenty-seven apparently new species and subspecies of mammals. All but six collected by Edmund Heller Q Science
A list of mammals obtained by Thaddeus Surber in North and South Carolina, Georgia and Florida Q Science
Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia Q Science
Mycological contributions of Rolf Singer : field itinerary, index to new taxa, and list of publications Q Science
