Le Chenil: a first monthly, then biweekly publication, with entries from the Stud Book Continental as well as from other studbooks and additional info from the European Dog World of that time. It’s written in French, but with the little French I remember from school days and my knowledge of pedigrees I can understand the biggest part of it.
Tons of information if you are willed to search through thousands of sites, among them the following stud books are included:
LOF 1885 Volume I + II: The first 2 volumes of the French stud book
SBC 1882 – 1884: Stud Book Continental des races canines – Show Reports starting from 1863, entries from LOSH, KCSB, KCI,….