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Nature study — Audiobooks
The Song of the Cardinal
by Gene Stratton-Porter
The Pageant of Summer
by Richard Jefferies
An Introduction to Nature-study
by E. (Ernest) Stenhouse
Cornell Nature-Study Leaflets
by New York State College of Agriculture
The Life of the Fields
by Richard Jefferies
The mighty deep : and what we know of it
by Agnes Giberne
Nature Near London
by Richard Jefferies
Kardinalens frieri: En fågelhistoria
by Gene Stratton-Porter
Ontario Teachers' Manuals: Nature Study
by Ontario. Department of Education
Kardinaalin laulu: Kertomus lintumaailmasta
by Gene Stratton-Porter