Aihe-ehdotuksia
Aihe-ehdotuksia
3 380
Politics and government
2 454
History
2 117
Economic conditions
1 860
Agriculture
1 526
Law
1 172
Law and legislation
1 157
Foreign relations
1 028
Social conditions
1 022
Population
982
Appropriations and expenditures
936
Statistics
902
Education
804
Finance, Public
765
Commerce
690
Economic policy
620
Budget
601
Land tenure
591
Gazettes
578
Constitutions
567
Industries
527
Legal status, laws, etc
522
Law reports, digests, etc
521
Research
503
Indians of North America
469
Birth control
451
Land settlement
448
Finance
424
Sources
420
Geology
406
Economic aspects