Hunting Tehama County's Forgotten Emigrant TrailDeborah Tibbets, Josie Reifschneider Smith, Eric Ritter, Gregory White, Nancy Leek · First published 2022Open the Tome
Analog NightmaresRichard Mogg, Mark Polonia, Doug Stone, Donald Farmer, Tim Boggs, Andrea Adams, Tim Ritter, Joel D. Wynkoop, Walter Ruether, Eric Stanze · First published 2018Open the Tome
Historic Archaeology of a Chinese Mining Venture near Igo in Northern CaliforniaEric Ritter · First published 1986 · Latest edition 2015Open the Tome
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
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
Disquisitio anatomica monstri acephali spurii, adjectis quibusdam generalibus de monstrorum origineGeorg Eric Ritter · First published 1844Open the Tome
