Start with high-confidence 19th century english fiction books, then narrow by subgenre or adjacent topics.
Miss Austen
Gill Hornby
The Jane Austen Romance Guide for Well-bred Women
Emily Reed
Persuasion
Jane Austen
Last Impressions
Theresa M. Kenney
The Vicar of Wakefield
Oliver Goldsmith, Steven Green
Mansfield Park
Jane Austen, Margaret Drabble
Madame Bovary
Gustave Flaubert
Jane Eyre
Charlotte Bronte, Charlotte Brontë
Ladies in Waiting
Adriana Trigiani, Sarah MacLean
Reading With Jane Austen
Elaine Bander
Charlotte Brontë Revisited
Sophie Franklin
Northanger Abbey
Pride and Prejudice
Laurence Sach, Jane Austen
Early Georgette Heyer Collection
Georgette Heyer
Sanditon
Jane Austen, Marjolein Bastin