Wilson's research and writing has focused on American architecture from the 18th to the 20th centuries.

Cohn's writings have especially focused on social welfare and health care.

In recent years, her writing has focused on Africa, where she spends part of the year.

At first, she wrote general interest pieces about culture, but soon her writing focused on the abolitionist movement.

After 1939, his writings focused on the conflict with Germany.

His show and writings strongly focus on encouraging people to get out of debt.

His writing often focuses on themes of family, heroism, and human spirit.

His early writing focused on role-playing games, particularly adventures and support material for Space 1889.

Her writings also focus on the role of women of color in culture and history.

His writing has mainly focused on topics relating to video games and technology.