- E-bookBirds Every Child Should KnowNeltje Blanchan
- E-bookWild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect VisitorsNeltje Blanchan
- E-bookWild Flowers Worth KnowingNeltje Blanchan
- E-bookWild Flowers Worth KnowingAsa Don Dickinson
- E-bookBirds Every Child Should KnowNeltje Blanchan
- E-bookWild Flowers An Aid to Knowledge of Our Wild Flowers and Their Insect VisitorsNeltje Blanchan
- E-bookBirds Every Child Should KnowNeltje Blanchan
- E-bookBird Neighbors - An Introductory Acquaintance with One Hundred and Fifty Birds Commonly Found in the Gardens, Meadows, and Woods About Our HomesNeltje Blanchan
- E-bookBirds Every Child Should KnowNeltje Blanchan
- E-bookBird NeighborsNeltje Blanchan
- E-bookBirds Every Child Should KnowNeltje Blanchan
- E-bookBirds That Hunt and Are HuntedNeltje Blanchan
- E-bookBird Neighbors An Introductory Acquaintance with One Hundred and Fifity Birds Commonly Found in the Gardens, Meadows, and Woods About Our HomesNeltje Blanchan
- E-bookBird NeighborsNeltje Blanchan
- E-bookWild Flowers Worth KnowingAsa Don Dickinson