Rockshelter excavations on Hogback Ridge, Tehama County, CaliforniaEric W. Ritter · First published 1999Open the Tome
Sheep Rock Shelter (CA-Sis-266) archaeological test excavations in Shasta ValleyEric W. Ritter · First published 1989Open the Tome
Archaeological test excavations at Spider Rockshelter (CA-Teh-1432), Lower Mill Creek Canyon, CaliforniaEric W. Ritter · First published 1987Open the Tome
The historic archaeology of a Chinese mining venture near Igo in Northern CaliforniaEric W. Ritter · First published 1986Open the Tome
A Cultural resources overview of the Colorado desert planning unitsElizabeth Warren, Eric W. Ritter · First published 1981Open the Tome
Cultural resources inventory of the central Mojave and Colorado Desert regions, CaliforniaEric W. Ritter, Dennis Gallegos, John R. Cook · First published 1980Open the Tome
Preliminary report on archaeological survey work done in the Oroville Reservoir Area, 1966Joseph L. Chartkoff, Eric W. Ritter · First published 1975Open the Tome
Papers on Nisenan environment and subsistenceEric W. Ritter, Peter D. Schulz · First published 1972Open the Tome
