Lieberman Edition Commentary
Brief Commentary
Terse commentary included in the printed volumes of the Tosefta text.
Masoret HaTosefta
References to parallel passages in rabbinic literature and citations of biblical verses quoted in the Tosefta.
Tosefta Kifshutah
Extensive commentary combining philological and historical research with analysis of the parts of rabbinic literature relevant to a given Tosefta passage.
Variants
Textual variants based on the Erfurt manuscript, Genizah fragments, an early printed edition of the Tosefta, and quotations of the Tosefta in commentaries of Rishonim.