Carta de [Gleb Wataghin] a Bernard Gross

Carta de [Gleb Wataghin] a Bernard Gross

Carta de [Gleb Wataghin] a Bernhard Gross

Carta de [Gleb Wataghin] a Dr. Simões

Carta de [Gleb Wataghin] a Fernando de Azevedo

Carta de [Gleb Wataghin] a Forest Ray Moulton

Carta de [Gleb Wataghin] a Francisco Clementino San Tiago Dantas

Carta de [Gleb Wataghin] a Georges Schwachheim, Hans Albert Meyer (Jean) e [Andrea Wataghin]

Carta de [Gleb Wataghin] a Giancarlo Vallauri

Carta de [Gleb Wataghin] a Giuseppe Occhialini