The naturalist’s manual : containing descriptions of the nests and eggs of North American birds. (Turididae-Tanagridae.) Also instructions for collecting and preserving birds, nests, eggs & insects Q Science
Key to Davies’ Bourdon : with many additional examples, illustrating the algebraic analysis : also, a solution of all the difficult examples in Davies’ Legendre Q Science
Key to Davies’ Bourdon, with many additional examples, illustrating the algebraic analysis; also, a solution of all the difficult examples in Davies’ Legendre Q Science
