Subject codes
Biography & Autobiography
BIO034000 / Aviation & Nautical (primary)
Transportation
TRA002010 / Aviation / History
Regional themesÂ
1.3.2.0.0.0.0 Germany
4.0.1.2.0.0.0 Mid-Atlantic States
4.0.1.2.3.1.0 Philadelphia
4.0.1.2.2.3.0 Long Island
4.0.2.0.1.0.0 Alberta
4.0.2.0.6.0.0 Northwest Territories