Chemistry--Experiments--19th century 1 Civil service reform--United States 1 Federal aid to Indians--United States 1 Indians of North America--Economic conditions 1 Indians of North America--Education 1 Indians of North America--Government relations--1869-1934 1 Indians of North America--Government relations--1940-1950 1 more ... Indians of North America--Government relations--1960-1970 1 Indians of North America--Government relations--1970-1980 1 Indians of North America--Languages 1 Indians of North America--Politics and government--United States 1 Indians of North America--Public welfare 1 Indians of North America--Research--19th century 1 Indians of North America--Research--United States--Handbooks, manuals, etc 1 Indians of North America--Services for--Finance 1 Indians of North America--Social conditions 1 Indians of North America--Societies, etc 1 Indians, Treatment of--United States 1 Indians, Treatment of--United States--History--19th century 1 Indians, Treatment of--United States--History--20th century 1 Religious Thought--19th century 1 less ...