Das Wesen und die Ziele der chemischen Forschung und des chemischen Studiums; akademische Antrittsrede Q Science
Data abstraction, databases, and conceptual modelling : an annotated bibliography / Michael L. Brodie Q Science
Data description and quality assessment of ionospheric electron density profiles for ARPA modeling project / Raymond O. Conkright Q Science
Data report for the benthic macroinvertebrate and periphyton community inventory of streams draining the southern Fort Union coalfield region of southeastern Montana Q Science
David Gill, man and astronomer ; memoirs of Sir David Gill, K.C.B., H.M. astronomer (1879-1907) at the Cape of Good Hope Q Science
The dawn of astronomy. A study of the temple-worship and mythology of the ancient Egyptians Q Science
Dawn of life: being the history of the oldest known fossil remains, and their relation to geological time and to the development of the animal kingdom Q Science
The days of a man : being memories of a naturalist, teacher, and minor prophet of democracy Q Science
Montana and the sky [electronic resource] : official monthly publication of the Aeronautics Division Q Science
The Death valley expedition. A biological survey of parts of California, Nevada, Arizona, and Utah Q Science
