Photograph - Flock of Birds in Flight

Photograph - Birds in Flight Over a Field

Clipping Showing Two Views of an Unidentified Duck

Print of Five Different Owl Drawings

Typed Caption for a Scrapbook Entitled Album 2

Photograph - Painting of the Head of a Tiger with its Mouth Open

Print of a Wigeon Pair Shown in Flight and on Water

Photograph of Canvasbacks in Flight Over Water

Clipping of a Drawing of a Grayling

Photograph - Wigeon Pair in Flight

Photograph - Two Canvasback Ducks in Flight

Photograph - Mallard Pair

Photograph - Bobwhite Quail Perched on a Log

Photograph - Masked Ducks Shown on Water

Photograph - Two Green-Winged Teals

Print of Two Canvasback Ducks Floating on Water

Copy of a Photograph of an Unidentified Man in Front of an Oil Painting

Photograph - Two Mallards in Flight

Photograph - Mallard Pair in Flight

Photograph - Canvasback Ducks at Delta Marsh

Clipping with Image of 'Bluebills' on Illinois River

Drawing - Head of a Gorilla

Print of Courtship Dance of Whooping Cranes

Watercolour - Profile of the Head of a South American Iguana

Drawing - Head of a Tiger with its Mouth Open

Photograph - Painting of the Head of a Grevy's Zebra

Photograph - Clarence Tillenius

Photograph - Clarence Tillenius

Photograph - Clarence Tillenius

Photograph - Clarence Tillenius

Photograph - Clarence Tillenius

Photograph - Ruffed Grouse in Flight

Print of a Nighthawk in Flight

Photograph - Fish Splashing on Surface of a Lake

Photograph - Canada Gees in Flight and Standing

Print of Mallard Ducks in Flight and in Water

Drawing - Profile of the Head of a Pronghorn Antelope

Photograph - Four Canada Geese in Flight

Print of Four Teals in Flight

Photograph - Flock of Canada Geese in Flight

Photograph - Two Pileated Woodpeckers Perched on a Broken Tree

Photograph - Canvasback Ducks in Flight and on Water

Photograph - Flock of Lesser Scaups

Photograph - Two Ruffed Grouse in Flight

Print of Two Pintail Ducks in Flight

Drawing - Profile of the Head of a Moose

Drawing - Profile of the Head of an Elk

Photograph - Flock of Redhead Ducks Over Delta Marsh