Die Praxis der Naturgeschichte : ein vollständiges Lehrbuch über das Sammeln lebender und todter Naturkörper; deren Beobachtung, Erhaltung und Pflege im freien und gefangenen Zustand; Konservation, Präparation und Aufstellung in Sammlungen etc. Q Science
British entomology; being illustrations and descriptions of the genera of insects found in Great Britain and Ireland: containing coloured figures from nature of the most rare and beautiful species, and in many instances of the plants upon which they are found Q Science
Le traité du quadrant de matre Robert Anglès, Montpellier, 13e siècle. Texte latin et ancienne traduction grecque publiés par Paul Tannery Q Science
Allen’s commercial organic analysis; a treatise on the properties, modes of assaying, and proximate analytical examination of the various organic chemicals and products employed in the arts, manufactures, medicine, etc., with concise methods for the detection and estimation of their impurities, adulterations, and products of decomposition Q Science
The Philosophical transactions of the Royal society of London, from their commencement in 1665, in the year 1800 Q Science
Vorlesungen über Dynamik, nebst fünf hinterlassenen Abhandlungen desselben, hrsg. von A. Clebsch Q Science
