Outlines of Biology for the High School Laboratory and ClassroomLeavitt Robert Greenleaf · First published 2018 · Latest edition 2022Open the Tome
The forest trees of New EnglandLeavitt, Robert Greenleaf · First published 1932 · Latest edition 1933Open the Tome
The study of birds and bird life in the schools of New JerseyLeavitt, Robert Greenleaf · First published 1918Open the Tome
Trichomes of the root in vascular cryptogams and angiospermsRobert Greenleaf Leavitt · First published 1904Open the Tome
Follar outgrowths from the surface of the leaf of Aristolochia siphoRobert Greenleaf Leavitt · First published 1903Open the Tome
Notes on the embyrology of some New England orchidsRobert Greenleaf Leavitt · First published 1901Open the Tome
Outlines of botany for the high school laboratory and classroomLeavitt, Robert Greenleaf · First published 1901Open the Tome
Predetermined root-hair cells in Azolla and other plantsRobert Greenleaf Leavitt · First published 1901Open the Tome
The report of certain plants to atmospheric moistureRobert Greenleaf Leavitt · First published 1900Open the Tome
