Biographical Materials 1949-1997

Blueprints- Electrical Components (receivers, etc.) and Drawings 1945-1955

Construction and Renovation of Sigmon Home- Bills 1975

Construction and Renovation of Sigmon Home- Blueprints 1949-1997

Correspondence and Club Memberships 1965-1997

Framed photocopy of a check to Paramount Television Productions, Inc. for $11,642,533.33 and a photocopy of deposit slip for Goldenwest Broadcast for $357,666.67 1964 May 19

Miscellaneous notes, invoices, papers 1970s-2008

Newspaper Clippings and Articles about Sigmon 1996-1997

Plaque- Lyod Sigmon Lifetime Member California Highway Patrol 1992 December 21

Publications- Amateur Radio Station Log 1980 July

Publications- Electronics for Engineers:Reference Articles, Charts, and Graphs from Electronics Magazine edited by John Markus and Vin Zeluff 1945

Publications- Engineers Notebook II: A Handbook of Integrated Circuit Applications by Forrest M. Mims, II 1982

Publications- Kathy Gronau, "L.A.'s Patron Saint of Traffic," Los Angeles Radio Guide vol. 1, no. 7 1995

Publications- KMPC Photo Album undated

Publications- Lyod C. Sigmon, "SigCircus," Milwaukee School of Engineering Bulletin vol. 1, no. 12 1949 December

Publications- Rob O'Neil, "Sigmon Put L.A. Drivers on the Alert," Los Angeles Times 1997 August 16

Publications- "Sigalert," Traffic Safety: A National Safety Council Publication 1959 February

Publications- Take an Alternate Route by Paul 'Panther' Pierce 1968

Publications- "The Story of the Sigalert" 1965 September 5

Publications- "The Voice of Emergency" by Ted Krec 1956

Radio Circuit Diagram- Transatlantic Radio and Circuits Cable 1945