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Subject
- Canals[remove]37
- Corporation reports37
- Canal companies34
- Nicaragua Maritime Canal Company33
- Interoceanic canals29
- Financial statements16
- International business enterprises14
- Construction12
- Railroads11
- Stocks11
- Federal receipts and expenditures10
- Military pensions10
- National parks and reserves10
- St. Elizabeth's Hospital (District of Columbia)10
- Census9
- Columbia Institution for the Deaf and Dumb (1865-1911)9
- Freedmen's Hospital (Washington, D.C.)9
- Howard University9
- Patents9
- Black universities and colleges8