Yazar
Leon Jacob Cole
15 cilt bulundu.
Cilt sonuçları
Crustacea. Part F
Leon Jacob Cole · T. Mulvey
11 sayfa · 1997
Canadian Arctic Expedition (1913-1918) / Crustacea / Pycnogonida / Crustacés / Pycnogonides
Sex ratios in pigeons, together with observations on the laying, incubation and hatching of eggs
Leon Jacob Cole · Agricultural Experiment Station of the Rhode Island State College
512 sayfa · 1915
Pigeons / Genetics / Breeding
[A biological survey of the waters of Woods Hole and vicinity
Sumner, Francis Bertody, Raymond C. Osburn, Leon Jacob Cole · Govt. Print. Off.
Sayfa sayısı yok · 1913
Marine plants / Marine animals
Studies on inheritance in pigeons
Leon Jacob Cole · Agricultural Experiment Station of the Rhode Island State College
380 sayfa · 1914
Pigeons / Genetics / Color
The occurrence of red calves in black breeds of cattle
Leon Jacob Cole, Sarah V. H. Jones · Agricultural Experiment Station, University of Wisconsin
36 sayfa · 1920
Cattle / Color / Genetics