Federal Motor Carrier Safety Administration, U.S. Department of Transportation, FleetOwner FMCSA 2020 Trucking Safety Summit Virtual (July 22, 2020) (Ex. SEC-11-GM-042)
Mayor Muriel Bowser, Mayor's Order 2020-081 (and Mayor's Order 2020-110, Nov. 6, 2020) (July 24, 2020) (Ex. ECO-C-030)
Ballotpedia (secondary source; Burbio data), Ballotpedia, 'School responses to the coronavirus (COVID-19) pandemic during the 2020-2021 academic year' (July 8, 2021) (Ex. ECO-B-106)
