Advertising campaign of the United States Conference of Catholic Bishops. Posters, radio spots, and web site contend that many Americans don't know the most common reasons for abortion or what the law allows.

A pro-life association of Catholic priests headed by Father Frank Pavone. They offer excellent resources for Catholics.

African American ministry committed to defending human life, from conception to natural death. Mission statement, calendar, affiliates.

Catholic, pro-life advocacy organization in Pennsylvania. Operation Holy Presence is a new approach to end abortion.

News, research, academic articles, and archive of official documents on abortion, bioethics, birth control, and related issues.

The worldwide Catholic organization dedicated to upholding the value of human life in full conformity to the teachings of the Catholic Faith.

Small collection of essays, mostly on pro-life issues from a Catholic perspective.

A good collection of articles and links on abortion, contraception, and euthanasia, at CIN.