The Christian Observer was a Presbyterian paper from Philadelphia, Pa., which was both anti-Catholic and against Tractarianism, also known as Puseyism, a movement started in Oxford which attempted to bring the Presbyterian faith closer to the Roman Catholic. Issues from May 14, 1840- Dec.28, 1850, though not all issues are present.
A newspaper published by the American Sunday-School Union, and organization rooted in the First Day Society. Both organizations were missionary in nature, with the First Day Society formed to found and promote Sunday Schools in churches. The American Sunday-School Union was also a missionary organization. Reports on the founding and running of Sunday Schools, and contains advice on the studying of scripture. Reports from missions around the world are common. These issues are from the Civil War years, and include battlefield and battlefield hospital and missionary reports. Issues from January 4, 1862 to December 2, 1868, though not all issues are present.