Pieter Bruegel the Elder | Pieter Brueghel | Pieter Mulier II | Pieter Hintjens | South Harting | Pieter Wispelwey | Pieter Willem Korthals | Pieter Vreede | Pieter van Vollenhoven | Pieter van Musschenbroek | Pieter Vanderlyn | Pieter Teyler van der Hulst | Pieter Snapper | Pieter Rossouw | Pieter Langendijk | Pieter Kasteleyn | Pieter Hugo | Pieter Feith | Pieter de Ring | Pieter de Hooch | Pieter Bourke | Pieter Bleeker | Pieter Aertsen | Pieter Zeeman | Pieter van der Hulst | Pieter van den Hoogenband | Pieter Seelaar | Pieter Rijke | Pieter Paulus | Pieter Nuyts |
Corti spent a short time in Utrecht, where he visited Professors Jacobus Schroeder van der Kolk and Pieter Harting.
On the advice of the prominent Utrecht natural historian Pieter Harting, he applied a numerical system in which the fossils were divided into Periods (Paleozoic, Mesozoic and Caenozoic) and sorted from 'high' to 'low'.