a black and white drawing of a snowman

Title: Schematic representation of a part of the heart Creator: Tinkelenberg, J Date: 1961-04-10 Providing institution: Universitaire Bibliotheken Leiden Aggregator: Dutch Collections for Europe Providing Country: Netherlands Public Domain Schematic representation of a part of the heart by Tinkelenberg, J - Leiden University Libraries, Netherlands - Public Domain. https://www.europeana.eu/item/744/item_3462896