No.5 - USA Stamps - Great Americans Issue

My missing stamps in this series are ...
6c Walter Lippman
7c Abraham Baldwin
9c Slyvanus Thayer
11c Alden Partridge
17c Belva Ann Lockwood
19c Sequoyah
21c Chester Carlson
28c Sitting Bull
29c Earl Warren
56c John Harvard

No.5 - USA Stamps - Transportation Issue

My missing stamps are
2c Locomotive (1986 issue "2 USA" - not "2c USA"
3.4c School Bus
4c Stagecoach (1986 issue "4 USA")
4c Steam carriage
4.9c Buckboard
5c Milk wagon
5c Circus wagon (dark bolder colour)
5c Circus wagon (lighter color)
5c Canoe (purple color)
5c Canoe (red color)
5.3c Elevator
5.9c Bicycle
7.4c Baby buggy
8.3c Ambulance
10c Tractor trailor (darker color)
10c Tractor trailor (lighter color)
11c Stutz Bearcat
11c RR Caboose
13c Patrol wagon
14c Iceboat
16.7c Popcorn wagon
17.5c Racing car
20c Cog railway car
20.5c Fire engine
24.1c Tandem bicycle
32c Ferry boat

No.4 - USA Stamps

My missing stamps in this series are...

Authors
4.1 - 1c Washington Irving

4.2 - 2c James F Cooper

4.3 - 3c Ralph W Emerson

4.4 - 5c Louisa M Alcott

4.5 - 10c Samuel L Clemens (Mark Twain)

Composer
4.6 - 10c Ethelbert Nevin

Inventors
4.7 - 1c Eli Whitney

4.8 - 2c Samuel FB Morse

4.9 - 3c Cyrus H McCormick

4.10 - 5c Elias Howe

4.11 - 10c Alexander Graham Bell

No.3 - USA Stamps - Prominent Americans Issue

My missing stamps are

1 1/4c Albert Gallatin

21c Amadeo P Giannini

Anyone can help....

No. 2 USA Stamps - Presidential Issue 1938-39

Anyone can help me as I am missing the following stamps for this Presidential Issues 1938-39. Looking for missing used stamps.

2.1 - 7 c, Andrew Jackson

2.2 - 13 c, Millard Fillmore

2.3 - 21c, Chester A Arthur

2.4 - 22c, Grover Cleveland