Encyclopedias, Almanacs, Transcripts, and Maps
- Castle Shannon
- Castlebar
- Castlemaine, Barbara, countess of
- castoreum
- Castracani, Castruccio
- Castrén, Matthias Alexander
- Castriota, George
- Castro
- Castro Valley
- Castro, Américo
- Castro, Cipriano
- Castro, Inés de
- Castro, Raúl
- Castro, Rosalía de
- Castro, Vaca de
- Castro, Xiomara
- Castrogiovanni
- Castrop-Rauxel
- cat bear
- Cat Island