File East-North Central 2 volumes Box 7 In: Walter De Vries Papers, 1960-2012 (majority within 1960-1972) » Polls: Data and analysis » Romney regional presidential polls
File West North Central Box 8 In: Walter De Vries Papers, 1960-2012 (majority within 1960-1972) » Polls: Data and analysis » Romney regional presidential polls
File Mid-Atlantic Box 8 In: Walter De Vries Papers, 1960-2012 (majority within 1960-1972) » Polls: Data and analysis » Romney regional presidential polls
File West-South Central Box 8 In: Walter De Vries Papers, 1960-2012 (majority within 1960-1972) » Polls: Data and analysis » Romney regional presidential polls
File Mountain Box 8 In: Walter De Vries Papers, 1960-2012 (majority within 1960-1972) » Polls: Data and analysis » Romney regional presidential polls
File Pacific Box 8 In: Walter De Vries Papers, 1960-2012 (majority within 1960-1972) » Polls: Data and analysis » Romney regional presidential polls
File U.S. total Box 8 In: Walter De Vries Papers, 1960-2012 (majority within 1960-1972) » Polls: Data and analysis » Romney regional presidential polls
Folder Michigan polls In: Walter De Vries Papers, 1960-2012 (majority within 1960-1972) » Polls: Data and analysis
File Statewide study of issues, legislature and candidates In: Walter De Vries Papers, 1960-2012 (majority within 1960-1972) » Polls: Data and analysis » Michigan polls
File Statewide aid to education study In: Walter De Vries Papers, 1960-2012 (majority within 1960-1972) » Polls: Data and analysis » Michigan polls