"Authorship attributed to Gervase Parker Bushe (Bodleian library catalogue, additions, 1835-1847; Brit. mus. catalogue, suppl.; Cushing, Anonyms; Halkett and Laing, Dict.) and to George B. Butler (Sabin, Bibl. Amer.; Boston ath. library, catalogue)--Cf. National Union Catalog pre-1956 imprints.