History 247 Booksellers' advertisements 95 Booksellers and bookselling 87 Yellow fever 84 Publishers and publishing 56 Social conditions 56 African Americans 54 more ... Politics and government 49 Mortality 46 Epidemics 38 Commerce 34 Race relations 33 Antislavery movements 30 Societies, etc 28 Causes 25 Theaters 25 Death 24 Social aspects 24 Drama 22 Libraries 22 Social life and customs 22 Medicine 21 Women 21 Merchants 20 Benefit performances 18 Proprietary libraries 17 Sermons, American 17 Department stores 16 Slavery 16 Fiction 15 less ...