His Wiltonia sive Comitatvs Wiltoniensis ... 1648, 1984? map recto (Johan Blaeu, 1648)
RLIN, Mar. 5, 1998 (hdg.: Blaeu, Joan, 1596-1673; usage: I. Blaue; Apud Ioannem Blaeuw; Juan Blaeu; J. Blaeu)
Graswinckel, Theod. Stricturae ad censuram Ioannis à Felden, 1654 t.p. ("Typis Ioannis Blaeu" in all-caps with u as V)
Gruys, J.A. Typographia & bibliopolae Neerlandici usque ad annum MDCC, 1980 (Blaeu, Joan, I; Amsterdam, 1630-1673, Wenen 1661-1673; var.: Giovanni Blaeu; 1638-1642 in partnership with brother Cornelius Blaeu, often as Blavii in imprints)
M. Val. Martialis Epigrammata, 1644 imprint on t.p. (Apud Iohannem Blaeu)
Afbeelsels der voornaemste gebouwen uyt alle die Philips Vingboons geordineert heeft, 1648 t.p. (Ioan Blaeu)
Iani Nicii Erythraei Epistolae ad Tyrrhenum, 1645 t.p. (...Iodocum Kalcovium)
Répertoire d'imprimeurs/libraires XVIe-XVIIIe siècle, 1997 (Blaeu, Joan; b. 23 Sept. 1596; d. 28 Dec. 1673; printer active in Amsterdam 1630-1673 and in Vienna 1661-1673; published Catholic works under the name Jodocus Kalkovius or Calcovius; mottos used on devices are Indefessus agendo and Praestat)