De X-stralen. Oorspronkelijke Coupletten. Woorden van Bassy. Muziek van Tommy. Voor Zang met Accompagnement van Piano. (The X-rays. Original Couplets. Text from Bassy. Music by Tommy. For Piano.)
Amsterdam: T.A.V.E.N.U., March 1896. First edition. Original paper. 4 p. Very early. Dutch sheet music cover of a song about Röntgen’s discovery: X-stralen (X-rays). On the cover we see a photograph of a human body part using X-rays. More