Historical atlas of Colorado / by Thomas J. Noel, Paul F. Mahoney, and Richard E. StevensThomas J. Noel, Paul F. Mahoney, Richard E. Stevens · First published 1993Open the Tome
History of Entomology by Smith, Ray F., Mittler, Thomas E. (1973) HardcoverThomas E. Mittler, and Carroll N. Smith Smith Ray F. · First published 1973Open the Tome
