author
Best known for a practical guide to hunting dogs, this little-documented writer is remembered mainly through a book that has stayed in circulation long after its original era. The surviving record suggests a hands-on, plainspoken approach focused on training, handling, and field use.
Oliver Hartley is a fairly obscure author, and reliable biographical information about his life appears to be very limited. The clearest trail that survives online is through book catalogs and library listings rather than full literary biographies.
He is chiefly associated with Hunting Dogs: Describes in a Practical Manner the Training, Handling, Treatment, Breeds, Etc., Best Adapted for Night Hunting as Well as Gun Dogs for Daylight Sport. Listings connected to Project Gutenberg, booksellers, and reader databases all point to that work as the main reason his name remains known today.
Because so little verified personal detail is readily available, it is safest to remember him as a specialist writer on sporting dogs whose work speaks more loudly than the surviving facts of his biography.