History 36 Dissertations, Academic (Ph.D) 9 Imperialism 9 Thesis (Ph.D)-Physics 9 Territorial expansion 6 Colonies 5 Commerce 5 Human ecology 5 Human rights 5 India 5 Civilization 4 Crystals 4 Expansion (Heat) 4 Intellectual property (International law) 4 Mass media 4 Merchants 4 Ecology 3 Education 3 Elasticity 3 Feminist theory 3 Foreign relations 3 Historiography 3 History and criticism 3 India-History 3 Intellectual property 3 International commerce 3 Land tenure 3 Law and legislation 3 Nationalism 3 Philosophy 3