Today's free book is The Nursery Rhymes of England by J. O. Halliwell-Phillipps (1886), with illustrations by William Bell Scott. For the table of contents, check at the bottom of this post below the image.
The book is available at Project Gutenberg (I have not checked for other online sources).
Table of Contents
Historical
Literal
Tales
Proverbs
Scholastic
Songs
Riddles
Charms
Gaffers And Gammers
Games
Paradoxes
Lullabies
Jingles
Love And Matrimony
Natural History
Accumulative Stories
Local
Relics