TY  - BOOK
AU  - Troeger,John W.
AU  - Troeger,Edna Beatrice
TI  - Nature-study readers,
AV  - QH48 .T84
PY  - 1897///-1902
CY  - New York
PB  - D. Appleton and company
KW  - Natural history
KW  - Juvenile literature
KW  - Readers
N1  - Vols. 1-4, series title also at head of t.-p; I. Harold's first discoveries, by J. W. Troeger.--II. Harold's rambles, by John W. Troeger.--III. Harold's quests, by John W. Troeger.--IV. Harold's explorations, by John W. Troeger and Edna Beatrice Troeger.--V. Harold's discussions, by John W. Troeger and Edna Beatrice Troeger
ER  -