[416] Tandem, s. Fahrrad; Tandemmaschine, s. Dampfmaschine.
Brockhaus-1911: Tandem [2] · Tandem · Quoúsque tandem
Herder-1854: Tandem [2] · Tandem [1] · Quousque tandem
Meyers-1905: Tandem · Quŏusque tandem
Pierer-1857: Tandem · Quousque tandem