Today's free book is Popular rhymes of Scotland by Robert Chambers (1870). For the table of contents, check at the bottom of this post below the image.
The book is available at Hathi Trust (I have not checked for other online sources).
Table of Contents
Rhymes Of The Nursery
Fireside Nursery Stories
Nursery Riddles
Rhymes Appropriate To Children's Amusements
Miscellaneous Puerile Rhymes
Rhymes Connected With New-Year Observances
Rhymes Upon Natural Objects
Rhymes On Places
Characteristics Of Places And Their Inhabitants
Popular Reproaches
Rhymes Upon Families Of Distinction
Family Characteristics
Rhymes Connected With Superstitions
Slogans
Rhymes Respecting Weather
Miscellaneous Rhymes