Start with high-confidence design reference books, then narrow by subgenre or adjacent topics.
The Anatomy of Type
Stephen Coles
Visual Meetings
David Sibbet
Designing With Type, 5th Edition
James Craig, Irene Korol Scala
Vintage Type and Graphics
Steven Heller, Louise Fili
The Elements of Graphic Design
Alex W. White
Editing by Design
Jan V. White, Alex W. White
Thinking With Type
Ellen Lupton
House Industries Lettering Manual
Ken Barber
Fashionpedia
Fashionary