A record-instructional film showing a few of the many ways in which the behaviour of hungry rats can be modified according to the nature of the prevailing social situation.
| Tagline | |
| Release Date: | Jan 01, 1938 |
| Genres: | Documentary |
| Production Company: | |
| Production Countries: | United States of America |
| Casts: | |
| Status: | Released |
| Budget: | $0 |
| Revenue: | 0 |
KODE IKLAN BANNER ATAU IKLAN HORIZONTAL DISINI
