Prologomena in Galenum, in tres partes divisa written by physician, naturalist, and bibliographer, Conrad Gessner (Gesner), and issued in volume one of Cl [audius] Galeni Pergameni [Opera] Omnia, quae extant, in Latinum sermonem convers published in Basel by Hieronymus Froben and Nicolaus Episcopius in 1562, was the first bio-bibliography. Gessner's study, which covered Greek editions, Latin editions, lost works, writers on Galen and a classified bibliography of Galen's writings, was also Gessner's most developed bibliography. The bio-bibliography occupies 37 unnumbered leaves, following the title to volume 1, and Gesner's two unnumbered leaves of dedication, dated February 1562. (α†4-6,β†6, γ†6, A†-C†6, D†4).
Besterman, Beginnings of Systematic Bibliography 2nd ed (1940) 19-20, no. XXIX.
In 2020 a digital facsimile of the Froben Galen was available from e-rara.ch at this link.