"The Autograph Manuscript of Gervase of Tilbury", James R. Caldwell, "Scriptorium" 11 (1957); "Manuscripts of Gervase of Tilbury's Otia Imperialia", James R. Caldwell, "Scriptorium" 16 (1962); The Interrelationship of the Manuscripts of Gervase of Tilbury's Otia Imperialia", James R. Caldwell, "Scriptorium" 16 (1962) : [recenzja]

Studia Źródłoznawcze. Commentationes, Tom 10 (1965) s. 168-169
Jerzy Strzelczyk , James R. Caldwell (aut. dzieła rec.)
Tytuł recenzowanego dzieła:
James R. Caldwell, "Scriptorium" 16 (1962) ,Manuscripts of Gervase of Tilbury's Otia Imperialia , ,
James R. Caldwell, "Scriptorium" 16 (1962) ,The Interrelationship of the Manuscripts of Gervase of Tilbury's Otia Imperialia ,