Pfeiffer, L. (1847-1848). Monographia Heliceorum viventium. Sistens descriptiones systematicas et criticas omnium huius familiae generum et specierum hodie cognitarum. Volumen primum. (1): 1–160 [1847, < 8 September]; (2): 161–320 [1847, > 27 September]; (3): i–xxxii, 321–484 [1848, < 23 June]. Lipsiae: F. A. Brockhaus.
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Pfeiffer, L.
1847-1848
<i>Monographia Heliceorum viventium. Sistens descriptiones systematicas et criticas omnium huius familiae generum et specierum hodie cognitarum</i>. Volumen primum
Remark: introduction signed August 1847; title page dated 1848. See Literarische Zeitung (Berlin) Nr. 73 (8 September 1847) page 1170 for the date of part 1 and Kadolsky (2012: 84) for more details regarding the dates of parts 2 and 3