Kamala Harris: https://www.fec.gov/data/candidate/S6CA00584/?cycle=2016&election_full=true
Elizabeth Warren: https://www.fec.gov/data/receipts/?two_year_transaction_period=2018&data_type=processed&committee_id=C00500843&min_date=01%2F01%2F2017&max_date=12%2F31%2F2018