Dippel, Leopold (1872). Das Mikroskop und seine Anwendung. Erster Teil [The Microscope and its Application. Part 1] (in German). Braunschweig: Druck und Verlag von Friederich Vieweg und Sohn. pp. 159. leopold dippel mikroskop.
books.google.com
Mayall, John (Fall 1885). Cantor Lectures on the Microscope. Vol. 1886. Society for the Encouragement of Arts, Manufactures, and Commerce. pp. 60–66 ff.
Schleiden, Matthias (September 1847). "Über die Wahl eines Mikroskopes" [On the Choice of a Microscope.]. Notizen aus dem Gebiete der Natur und Heilkunde (in German). 67: 1–4.
Lister, Joseph (21 January 1830). "On Some Properties in Achromatic Object-glasses Applicable to the Improvement of the Microscope". Philosophical Transactions of the Royal Society of London. 120: 187–200. Bibcode:1830RSPT..120..187L. doi:10.1098/rstl.1830.0015.
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ui.adsabs.harvard.edu
Lister, Joseph (21 January 1830). "On Some Properties in Achromatic Object-glasses Applicable to the Improvement of the Microscope". Philosophical Transactions of the Royal Society of London. 120: 187–200. Bibcode:1830RSPT..120..187L. doi:10.1098/rstl.1830.0015.