Annotated checklist of the moths and butterflies (Lepidoptera) of Canada and AlaskaGregory R. Pohl, Jean-François Landry, B. Christian Schmidt, J. Donald Lafontaine, James T. Troubridge, A. Douglas Macaulay, Erik J. van Nieukerken, Jeremy R. deWaard, Jason J. Dombroskie, John Klymko, Vazrick Nazar, Ken Stead · First published 2018Open the Tome
Pro/Engineer solutions advanced techniques and workaroundsBob Townsend, Robert Townsend, Gregory R. Schmidt · First published 1999Open the Tome
