Who's who in the Midwest: A Biographical Dictionary of Noteworthy Men and Women of the Central and Midwestern States

Who's Who in the Midwest 2005
By LLC, Marquis Who's Who
Who's Who in the Midwest 2005
Who's Who in the Midwest
By Marquis Who's Who
BS in Geology , U. III . , 1974 ; MS in Geology , Northeastern Ill . U. , 1988 ; PhD in Mineral Engring . , Northwestern U. , 1991. Geologist Ill . State Geol . Survey , Urbana , 1974-77 ; asst . supr . Freeman - United Coal Mining Co.
Who's Who in the Midwest, 1984-1985
By LLC, Marquis Who's Who
Who's Who in the Midwest, 1984-1985
Who's who in the Midwest

Who's who in the Midwest
Who's Who in the Midwest, 1978-1979
By LLC, Marquis Who's Who
Who's Who in the Midwest, 1978-1979
Who's Who in the Midwest 2011
By Marquis Who's Who
Who's Who in the Midwest 2011
Who's Who in the Midwest 2015: 41st Ed.
By Asion Perruso
Who's Who in the Midwest 2015: 41st Ed.
Who's who in the Midwest, 1988-1989

Who's who in the Midwest, 1988-1989
Who's Who in the Midwest 2010
By Marquis Who's Who
Who's Who in the Midwest 2010
Who's Who: In the East, in the Midwest, in the West, in the South and Southwest
By LLC, Marquis Who's Who
Who's Who: In the East, in the Midwest, in the West, in the South and Southwest