TY  - SER
AU  - Levis,Samuel
ED  - Horological Association of California.
TI  - Horology; the national magazine for advancement of horology
CY  - [Los Angeles]
KW  - Clocks and watches
KW  - Periodicals
N1  - Issues for 19 -Oct. 1938 official organ of the Horological Association of California and other similar organizations; Subtitle varies
ER  -