Schumacher, M. A. (Magnus Ambrose), 1879–(no earlier than 1960)
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2268972A
- pdbooks.info ID: 83474
M. A. (Magnus Ambrose) Schumacher Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| How to teach the catechism: a teacher's manual containing a systematized presentation of lessons in the Baltimore catechism, in correlation with Bible and church history, the ecclesiastical year, liturgy, and the lives of the saints. Also a definite schedule of lesson plans for the religion curriculum of every grade | 1933 | Author | |  | |  | | ||