Reckoning at eagle creek : the secret legacy of coal in the Heartland / Jeff Biggers. - New York : Nation b., [2010]. - xviii, 287 p. : ill. ; 23 cm.см.. - (Nation b. : Environment/History ; Fall, 09). - Bibliogr.: pp. 269-281. - ISBN 978-1-56858-421-8[MFN: 28252]
Bitter harvest : Gordon Kahl a. the posse comitatus: Murder in the Heartland / James Corcoran. - [Harmondsworth] : Viking, [c.1990]. - x, 274 p. + [4] inset l., ill. ; 23 cm.см.. - Bibliogr.: pp. 261-264. - ISBN 0-670-81561-6[MFN: 36732]
The Heartland : Illinois. Indiana. Michigan. Ohio. Wisconsin / by Robert McLaughlin ; a. the editors of Time-Life b. ; [ed. Maitland A. Edey]. - New York : Time Incorp., [c.1967]. - 192 p. : ill. ; 28 cm.см.. - (Time-Life Library of America / ed. Oliver E. Allen). - ბიბლიოგრ. გვ. 188[MFN: 42174]
An open book : coming of age in the heartland / Michael Dirda. - New York ; London : W.W. Norton, 2003. - 335 p. : ill. ; 21 cm.см.. - ISBN 0-393-05756-9[MFN: 45584]