- Alfonso X, King of Castile and Leon, 1221-1284 (1)
- Blackburn, Paul (1)
- Brownlee, Marina Scordilis (1)
- Cortest, Luis (1)
- Dagenais, John (1)
- Deyermond, A. D. (1)
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- Harney, Michael, 1948- (1)
- Keller, John Esten (1)
- Kulp-Hill, Kathleen, 1935- (1)
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- Smith, Colin, 1927- (1)