Several fellow draughtsmen, such as Robert Jacob Gordon, Frederik Reimer and the aforementioned Jan Brandes, Rach personally knew or could have known.
Johannes Vermeer | Johannes Kepler | Johannes Gutenberg | Johannes Peter Müller | Johannes Ockeghem | Johannes Rau | Johannes Müller | Johannes Heesters | Johannes Zukertort | Johannes Meursius | Cornelis Johannes van Houten | Johannes Meyer | Johannes Itten | Johannes Blaskowitz | Johannes von Lahnstein | Johannes Mötsch | Johannes Hevelius | Johannes Ciconia | Johannes von Trapp | Johannes von Müller | Johannes Ullrich | Johannes Trithemius | Johannes Theodor Reinhardt | Johannes Magnus | Johannes Leimena | Johannes Ghiselin | Johannes Gad | Johannes Ewald | Johannes Diderik van der Waals | List of paintings by Johannes Vermeer |
Paintings of the front and rear views of the Colombo hospital, done in 1771 by a Dutch artist--presumably Johannes Rach--are preserved in the Koninklijk Instituut voor Taal-, Land- en Volkekunde at Leiden, in the Netherlands.