Sách chuyên khảo Lỗ_châu_mai

  • Friar, Stephen (2003), The Sutton Companion to Castles, Stroud: Sutton Publishing, ISBN 978-0-7509-3994-2
  • Jones, Peter; Renn, Derek (1982), “The military effectiveness of Arrow Loops: Some experiments at White Castle”, Château Gaillard: Études de Castellologie médiévale, Centre de Recherches Archéologiques Médiévales, IX–X: 445–456