Foreign countries 490 History 239 History and criticism 214 Emigration and immigration 137 Chinese 79 English language 66 Social aspects 64 更多 ... German literature 58 British 53 Americans 52 Ethnic identity 50 Social conditions 44 Variation 43 French literature 41 Civilization 38 Employment 38 Intellectual life 38 Travel 35 East Indians 28 Politics and government 27 Appreciation 26 English literature 26 Women 26 Armed Forces 25 Globalization 25 Travel writing 25 Travelers' writings, English 25 Germans 24 Study and teaching 24 Travel in literature 24 少 ...