1/4 left side view of a Douglas OA-4B, an United States Army plane, on the ground.https://corescholar.libraries.wright.edu/special_ms344_photographs/1285/thumbnail.jp
1/4 right side view of a Douglas O-7, a military plane, on the ground.https://corescholar.libraries....
1/4 right side view of a Douglas O-9, a military plane, on the ground.https://corescholar.libraries....
1/2 left side view of a Douglas O-2H, a military aircraft, on the ground.https://corescholar.librari...
1/4 left side view of a Douglas OA-4B, an United States Army plane, on the ground.https://coreschola...
1/4 left side view of a Douglas O-43A, an United States Army plane, on the ground.https://coreschola...
1/4 left side view of a Douglas O-29A, an United States Army plane, on the ground.https://coreschola...
1/4 left side view of a Douglas O-31A, a military plane, on the ground.https://corescholar.libraries...
3/4 left side view of a Douglas O-2D, a military plane, on the ground.https://corescholar.libraries...
A right side view of a Douglas O-2A, a military plane, on the ground.https://corescholar.libraries.w...
3/4 right side view of a Douglas O-38B, a military plane, on the ground.https://corescholar.librarie...
1/4 left side view of a Douglas Y10-35, an United States Army plane, on the ground.https://coreschol...
1/4 left side view of a Douglas YO-31A, an United States Army plane, on the ground.https://coreschol...
1/4 left side view of a Douglas D-54B, a military plane, on the ground.https://corescholar.libraries...
1/4 left side view of a Douglas O-2K, a military plane, on the ground.https://corescholar.libraries....
A left side view of a Douglas OA-5, a military plane, on the ground.https://corescholar.libraries.wr...
1/4 right side view of a Douglas O-7, a military plane, on the ground.https://corescholar.libraries....
1/4 right side view of a Douglas O-9, a military plane, on the ground.https://corescholar.libraries....
1/2 left side view of a Douglas O-2H, a military aircraft, on the ground.https://corescholar.librari...
1/4 left side view of a Douglas OA-4B, an United States Army plane, on the ground.https://coreschola...
1/4 left side view of a Douglas O-43A, an United States Army plane, on the ground.https://coreschola...
1/4 left side view of a Douglas O-29A, an United States Army plane, on the ground.https://coreschola...
1/4 left side view of a Douglas O-31A, a military plane, on the ground.https://corescholar.libraries...
3/4 left side view of a Douglas O-2D, a military plane, on the ground.https://corescholar.libraries...
A right side view of a Douglas O-2A, a military plane, on the ground.https://corescholar.libraries.w...
3/4 right side view of a Douglas O-38B, a military plane, on the ground.https://corescholar.librarie...
1/4 left side view of a Douglas Y10-35, an United States Army plane, on the ground.https://coreschol...
1/4 left side view of a Douglas YO-31A, an United States Army plane, on the ground.https://coreschol...
1/4 left side view of a Douglas D-54B, a military plane, on the ground.https://corescholar.libraries...
1/4 left side view of a Douglas O-2K, a military plane, on the ground.https://corescholar.libraries....
A left side view of a Douglas OA-5, a military plane, on the ground.https://corescholar.libraries.wr...
1/4 right side view of a Douglas O-7, a military plane, on the ground.https://corescholar.libraries....
1/4 right side view of a Douglas O-9, a military plane, on the ground.https://corescholar.libraries....
1/2 left side view of a Douglas O-2H, a military aircraft, on the ground.https://corescholar.librari...