The Interstitial Forest: Roadway Trees in Laguna Beach, California - Seminar in Biogeography 1972-1973 Fall
Master Plan of Regional Parks 1963
Eric Jessen article in issue of Orange Coast 2000 November
Open Space in Laguna: An Analysis 1972 January 10
Eric Jessen interviewed by Joanne Brand 1988 August 9
Terrain Provenance of Edgar Payne Canvases Reports prepared by Eric Jessen 2012
Report to Orange County Board of Supervisors and Orange County Harbor Commission on the Improvement of Upper Newport Bay Newport Harbor Orange County, California 1950 July
Copies of Jessen Family photographs and documents circa 1893 - mid 1900s
Costal Access Implementation Plan 1984 September 25
Copies of photographs of Laguna Beach undated
Irvine Ranch Headquarters Historic Park Master Planning Program 2008
Copies of Irvine Family photographs circa late 1800s - mid 1900s
Newspaper clippings 1973-2018
The Poetical Works of Percy Bysshe Shelley, with inscription from Eric Jessen 1908
The Distribution of Forest Trees in California by James R. Griffin and William B. Critchfield 1972
"Rugged, Wild Caspers Park Challenges Orange County's 'Official Pioneer'" 1973
Copies of Irvine Family phtographs circa late 1800s - mid 1900s
The Physical Environment of Orange County: A Report on the Deteriorating Condition of Orange County's Natural Environment 1972
"Terrain and Cultural Provenance of 'European Mountain'" by Edgar Payne 2020