Statistics and Polarization of Type III Radio Bursts Observed in the Inner Heliosphere - Pulupa,M; Bale,SD; Badman,ST; Bonnell,JW; Case,AW; de,Wit TD; Goetz,K; Harvey,PR; Hegedus,AM; Kasper,JC; Korreck,KE; Krasnoselskikh,V; et al. (ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 2020)