This article by Boonstra published in the Guttmacher Policy Review examines the
long history of funding restrictions around abortion, describing how poor women
have born the brunt of anti-abortion sentiments in government.
The article by Finer et al is an comprehensive source
for what creates delays before obtaining abortion services and the demographic
trends that correspond with various delays.
This article by Dillon and Savage published by
the Carsey Institutute examines rural attitudes, noting that while rural
Americans are more likely to oppose abortion, there is also evidence of variation
of these attitudes.