There are at least 5 Edward Allens: one writes about architecture, engineering and construction; one writes fiction and about writing fiction; one writes Spanish language guides; one writes about economics; one writes about lawmakers; and one is as yet unidentified.
According to Library of Congress, 11 April 2007:
Allen, Edward (1), 1938- wrote Architects studio companion; Architectural detailing; Exercises in building construction; Fundamentals of building construction; How buildings work, Stone Shelters, Fundamentals of Residential Construction, Teach Yourself to Build.
Allen, Edward (2), 1948- wrote Ate it anyway; Mustang Sally; Straight through the night, 67 Mixed Messages, Hands-On Fiction Workbook.
Allen, Edward David (3), 1923- wrote Habla Espanol?
Allen, Edward Lawrence (4), 1913- wrote Energy and economic growth in the United States.
LoC does not hold Songs of ignorance.
Updated 13 February 2009:
Allen, Edward (5) b. 1929 wrote Horace Greeley and Sam Rayburn for Britannica Press but is unknown otherwise.
Allen, Edward (unknown) is still unidentifiable.
Allen, Edward (1) & (2) had works updated through their personal website information or Wikipedia.
Combination issues