https://www.icpsr.umich.edu/ICPSR/studies/37192
data 01/30/2020
https://www.icpsr.umich.edu/ICPSR/studies/37514
data 01/22/2020
https://www.icpsr.umich.edu/ICPSR/studies/37594
data 01/21/2020
https://www.icpsr.umich.edu/ICPSR/studies/37399
data 12/19/2019
https://www.icpsr.umich.edu/ICPSR/studies/37019
https://www.icpsr.umich.edu/ICPSR/studies/37198
https://www.icpsr.umich.edu/ICPSR/studies/37440
data 12/18/2019
https://www.icpsr.umich.edu/ICPSR/studies/37417
data 12/17/2019
https://www.icpsr.umich.edu/ICPSR/studies/37250
https://www.icpsr.umich.edu/ICPSR/studies/37412
data 12/16/2019
https://www.icpsr.umich.edu/ICPSR/studies/37275
data 11/26/2019
https://www.icpsr.umich.edu/ICPSR/studies/37416
data 11/19/2019
https://www.icpsr.umich.edu/ICPSR/studies/36981
data 11/11/2019
https://www.icpsr.umich.edu/ICPSR/studies/37241
data 10/31/2019
https://www.icpsr.umich.edu/ICPSR/studies/37415
https://www.icpsr.umich.edu/ICPSR/studies/37281
data 10/29/2019
https://www.icpsr.umich.edu/ICPSR/studies/37206
https://www.icpsr.umich.edu/ICPSR/studies/26722
https://www.icpsr.umich.edu/ICPSR/studies/37359
data 10/24/2019
https://www.icpsr.umich.edu/ICPSR/studies/37296
data 10/15/2019
https://www.icpsr.umich.edu/ICPSR/studies/37373
data 10/10/2019
https://www.icpsr.umich.edu/ICPSR/studies/37356
data 09/30/2019
https://www.icpsr.umich.edu/ICPSR/studies/37239
https://www.icpsr.umich.edu/ICPSR/studies/36034
https://www.icpsr.umich.edu/ICPSR/studies/37358