Avian food guild diversity and vegetational diversity on strip-mine and agriculturally-created habitat islands in Clarion County, Pennsylvania, 190 - 01 - 04 - LD1017 .C8133 1978 W3, Volume: Archives LD1017 .C8133 1978 W3; Volume: Carlson Library Level A Main Quarto Collection QL698 .W3. Clarion University Archives.

Avian food guild diversity and vegetational diversity on strip-mine and agriculturally-created habitat islands in Clarion County, Pennsylvania, 190 - 01 - 04 - LD1017 .C8133 1978 W3, Volume: Archives LD1017 .C8133 1978 W3; Volume: Carlson Library Level A Main Quarto Collection QL698 .W3. Clarion University Archives. http://as-clarion.klnpa.org/repositories/2/resources/352 Accessed December 24, 2025.