Parentless Concepts
- Anniversary Fund of the Oesterreichische Nationalbank
- Johannes Damascenus, De fide Orthodoxa
- Johannes Damascenus, Ioannes Damascenus (in Arabic)
- Johannes Jacob Wecker, De secretis libri XVII
- Johannes Leunclavius, Annales Sultanorum Othmanidarum, a Turcis sua lingua scripti
- Johannes Leunclavius, Husem B. Aly Otthomannica historia quam edidit Leonclavius
- Johannes Leunclavius, Neuwe Chronica Türckischer nation
- Johannes Zonaras
- John Florio, Queen Anna's new world of words, or dictionarie of the Italien and English tongues
- John Frederick
- John Maurice
- John Sigismund
- John VI Kantakouzenos
- John VI Kantakouzenos, Ioannis Cantacvzeni Constantinopolitani regis contra Mahometicam fidem Christiana
- Joinville, Jean de
- Joseph Justus Scaliger, Elenchus trihaeresii
- Joseph Justus Scaliger, Opuscula varia antehac non edita
- journal article
- Juan de Mal-Lara, La philosophia vulgar
- Judaeus Constantinopolitaus
- Julius Caesar
- Julius Otto Konrad, Gali Razia occultorum detectio
- Junius, Hadrianius
- Karl II
- Karl Joseph von Österreich