New species of MerychippusJohn Peter Buwalda, George Edward Lewis · First published 1955Open the Tome
The Dalles and Hood river formations, and the Columbia river gorgeJohn Peter Buwalda, Bernard N. Moore · First published 1930Open the Tome
New mammalian faunas from Miocene sediments near Tehachapi Pass in the southern Sierra NevadaJohn Peter Buwalda · First published 1916Open the Tome
