• 3 Books

• 3 History
• 1 Children
• 1 Courage
• 1 Rare plants
• 1 Scientists
• 1 Siblings
• 1 Sisters
• 1 Social life and customs
• 1 Triangles (Interpersonal relations)
• 1 Truth
• 1 Twins

• 1 Blackwell, Elise, 1964-
• 1 Morosinotto, Davide, 1980-
• 1 Simons, Paullina, 1963-

• 3 English

• 3 Saint Petersburg (Russia)
• 1 Russia
• 1 Russia (Federation)
• 1 Saint Petersburg
• 1 Soviet Union

Limit year range