The Birdwatcher's Companion to North American BirdlifeChristopher W. Leahy · First published 2004Open the Tome
The Birdwatcher's CompanionChristopher Leahy · First published 1982 · Latest edition 1998Open the Tome
Peterson First Guide to Insects of North AmericaChristopher Leahy · First published 1987Open the Tome
The Birdwatcher's CompanionGordon Morrison (Illustrator) Christopher W. Leahy · First published 1982Open the Tome
Modern records managementLeahy, Emmett J. Cameron, Christopher A., · First published 1965Open the Tome
