Seasonal Variations in the Tree Sparrow

This publication has 4 references indexed in Scilit:

• The Role of Environment in the Life of Birds
  Ecological Monographs, 1934
• Color standards and color nomenclature,
  Published by Biodiversity Heritage Library ,1912
• THE SEQUENCE OF PLUMAGES AND MOULTS OF THE PASSERINE BIRDS OF NEW YORK
  Annals of the New York Academy of Sciences, 1900
• Report upon natural history collections made in Alaska between the years 1877 and 1881
  Published by Biodiversity Heritage Library ,1887