GPO Celebrates Its 150th Anniversary: Keeping America Informed. U.S. Government Printing Office, 732 North Capitol Street Northwest, Washington D.C., 20401-0003. Visited August 3, 2011. - August A. Imholtz Jr. (Gov. Inf. Q., 2011)

Congress as publisher: Three perspectives. - George D. Barnum; August A. Imholtz Jr.; Harold C. Relyea; Donald A. Ritchie (Gov. Inf. Q., 2012)

Congress as Publisher: The magic of the U.S. Congressional Serial Set. - August A. Imholtz Jr. (Gov. Inf. Q., 2012)