首页 / 官方藏书 / Cornell Nature-Study Leaflets / Being a selection, with revision, from the teachers' leaflets, home nature-study lessons, junior naturalist monthlies and other publications from the College of Agriculture, Cornell University, Ithaca, N.Y., 1896-1904 / LEAFLET XXIII. THE EARLY BIRDS.[30] By L. A. FUERTES.

LEAFLET XXIII. THE EARLY BIRDS.[30] By L. A. FUERTES.

Cornell Nature-Study Leaflets / Being a selection, with revision, from the teachers' leaflets, home nature-study lessons, junior naturalist monthlies and other publications from the College of Agriculture, Cornell University, Ithaca, N.Y., 1896-1904 · New York State College of Agriculture · 第 9 / 22 章