| Author: | Normann, F. G., 1802-1855 | 
| Subject: | PZ, Addition -- Juvenile literature, Counting -- Juvenile literature, Numbers -- Juvenile literature | 
| Format: | Illustrated by the author., Text | 
| Date issued: | 2017 | 
| Language: | German | 
| Publisher: | Project Gutenberg, | 
| Rights: | Public domain in the USA. | 
| Download link: | Die Thurmuhr : eine Rechen-Fibel für kleine Kinder [electronic resource] / F. G. Normann | 
