Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Urban ecology (Sociology) 7 Urban ecology (Sociology) -- Arizona -- Phoenix. 1 Urban ecology (Sociology) -- California -- Los Angeles 1 Urban ecology (Sociology) -- Children's fiction. 1 Urban ecology (Sociology) -- Children's material. 3 Urban ecology (Sociology) -- Illinois -- Chicago 1 Urban ecology (Sociology) -- Maine. 1 Urban ecology (Sociology) -- Pennsylvania -- Philadelphia 1 Urban ecology (Sociology) -- United States -- History -- 1901-2000 -- Biography -- Children's material. 1 Urban ecology (Sociology) -- Virginia. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >