(Jack, 1795–1822)
(Jackes, 1935–)
(Jacks., 1780–1811)
(S.T. Jacks., 1955–)
(C. Jacob)
(K. Jacob, 1910–1999)
(B.F. Jacobs, 1953–)
(Jacobsohn, 1893–1978)
(F.M.B. Jacques)
(Jacq., 1727–1817)