Boston Catholic Observer.

Library has:

    v.1:no.12 (1847:Apr.3)-v.1:no.15 (1847:Apr.24),
    v.1:no.19 (1847:May 22),
    v.1:no.24 (1847:June 26)-v.1:no.25 (1847:July 3),
    v.1:no.28 (1847:July 24).