Biogeographic Regionalisation for Australia) 5.1版及約翰·斯坦利·比爾德(英语:JohnStanleyBeard)的植物省(botanical provinces)。[來源請求] 稀有及優先植物名錄(英语:Declared Rare and Priority
Morphology and Phonology (页面存档备份,存于互联网档案馆). Leiden, The Netherlands: Brill. Beard, Robert. (1995). Lexeme-Morpheme Base Morphology. Albany, N.Y.: State University
Republicanism. 2004. Elkins, Stanley; Eric McKitrick. The Age of Federalism. 1995. 引文使用过时参数coauthors (帮助) Ferling, John. Adams vs. Jefferson: The Tumultuous
2064pp; 650 articles by experts excerpt and text search (页面存档备份,存于互联网档案馆) Beard, Mary Ritter. A Short History of the American Labor Movement 1920 - 176