Editing American tree sparrow (section)

===Articles===
* Cusick EK & Wilson FE. (1972). ''On Control of Spontaneous Testicular Regression in Tree Sparrows Spizella-Arborea''. General & Comparative Endocrinology. vol '''19''', no 3. pp.&nbsp;441–456.
* Delisle JM & Savidge JA. (1997). ''Avian use and vegetation characteristics of conservation reserve program fields''. Journal of Wildlife Management. vol '''61''', no 2. pp.&nbsp;318–325.
* Durairaj G & Martin EW. (1970). ''Fatty-Acid Composition of the Tree Sparrow Spizella-Arborea''. American Zoologist. vol '''10''', no 3.
* Hannah KC. (2005). ''An apparent case of cooperative hunting in immature Northern Shrikes''. Wilson Bulletin. vol '''117''', no 4. pp.&nbsp;407–409.
* Helms CW & Smythe RB. (1969). ''Variation in Major Body Components of the Tree Sparrow Spizella-Arborea Sampled within the Winter Range''. Wilson Bulletin. vol '''81''', no 3. pp.&nbsp;280–292.
* Keiper RR. (1969). ''Causal Factors of Stereotypies in Caged Birds Serinus-Canarius Serinus-Mozambicus Serinus-Leucopygius Spizella-Arborea Junco-Hyemalis Cyanocitta-Cristata Rearing''. Animal Behaviour. vol '''17''', no 1. pp.&nbsp;114–119.
* Martin EW. (1968). ''The Effects of Dietary Protein on the Energy and Nitrogen Balance of the Tree Sparrow Spizella-Arborea-Arborea''. Physiological Zoology. vol '''41''', no 3. pp.&nbsp;313–331.
* Morrison JV & Wilson FE. (1972). ''Ovarian Growth in Tree Sparrows Spizella-Arborea''. Auk. vol '''89''', no 1. pp.&nbsp;146–155.
* Paton PWC & Pogson TH. (1996). ''Relative abundance, migration strategy, and habitat use of birds breeding in Denali National Park, Alaska''. Canadian Field-Naturalist. vol '''110''', no 4. pp.&nbsp;599–606.
* Stuebe MM & Ketterson ED. (1982). ''A STUDY OF FASTING IN TREE SPARROWS (SPIZELLA-ARBOREA) AND DARK-EYED JUNCOS (JUNCO-HYEMALIS) - ECOLOGICAL IMPLICATIONS''. Auk. vol '''99''', no 2. pp.&nbsp;299–308.