• 3 College Library
• 2 MERIT Library
• 2 Memorial Library
• 1 Cooperative Children's Book Center (CCBC)

• 12 Books

• 7 Coal mines and mining
• 5 History
• 5 Strikes and lockouts
• 3 Coal mining
• 3 Labor unions
• 2 Brothers
• 2 Coal Strike, Colo., 1913-1914
• 2 Flynn, Elizabeth Gurley
• 2 Industrial Workers of the World
• 2 Irish Americans
• 2 Labor disputes
• 2 Labor movement
• 2 Orphans
• 1 Activism
• 1 Child labor
• 1 Coal Strike, Great Britain, 1984-1985
• 1 Families
• 1 Organizing
• 1 Radicalism
• 1 Radicals
• 1 Social conflict
• 1 Strikebreakers
• 1 Zola, Émile, 1840-1902

• 2 Llewellyn, Richard
• 2 Walter, Jess, 1965-
• 2 Zola, Émile, 1840-1902
• 1 Anderson, T. Neill
• 1 Collier, Peter, 1942-
• 1 Kostival, Benjamin C.
• 1 Nelson, S. D
• 1 O'Rourke, William
• 1 Settle, Mary Lee
• 1 Yount, John, 1935-

• 12 English

• 2 Colorado
• 2 France
• 2 Pembrokeshire (Wales)
• 2 Washington (State)
• 1 England
• 1 Kentucky
• 1 Ludlow (Colo.)
• 1 Pembrokeshire
• 1 United States
• 1 Wales
• 1 West Virginia

• 12 Fiction
• 3 Domestic fiction
• 2 Political fiction
• 1 Children's stories
• 1 Juvenile fiction
• 1 Novels
• 1 Proletarian fiction
• 1 Social problem fiction
• 1 Translations into English

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