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)