"Seeking the Truth about Chronology Today"
Fessmaier (1802) is one of the earliest books I know of that mentions the auxiliary historical sciences in the title.
Johann Georg Fessmaier. “Grundriss der historischen Hilfswissenschaften” (1802). https://www.google.com/books/edition/Grundriss_der_historischen_hilfswissensc/qdw9AAAAIAAJ?hl=en&gbpv=0. Accessed 3 May 2021.
Full German Title: “Grundriss der historischen Hilfswissenschaften vorzüglich nach Gatterers Schriften zum akademischen Gebrauche bearbeitet”
Full English Title: “Outline of the historical Auxiliary sciences, especially adapted from Gatterers’ writings for academic use”
Author: Johann Georg Fessmaier (1775-1828)
Table of Contents
Vorrede (Preface). pp.iii-vi
Einleitung (Introduction). pp.1-4
Chronologie oder Zeitkunde (Chronology or the Study of Time). pp.5-41
Genealogie oder Geschlechtskunde (Genealogy or the Study of Lineages). pp.42-64
Diplomatik oder Urkundenlehre (Diplomatics or Study of Documents). pp.65-193
Heraldik oder Wappenkunde (Heraldry or the Study of Coats of Arms). pp.194-246
Nummismatik oder Münzenkunde (Numismatics or the Study of Coins). pp.247-281
Historische Kritik (Historical Criticism). pp.282-310
Verzeichniss merkwürdiger Historiker (Directory of strange Historians). pp.311-338