Published in Breviora, in 1955, in volume 42, pages 1-9

Published in Breviora, in 1955, in volume 43, pages 1-4

Published in Breviora, in 1955, in volume 44, pages 1-2

Published in Breviora, in 1955, in volume 45, pages 1-12

Published in Breviora, in 1955, in volume 46, pages 1-8

Published in Breviora, in 1955, in volume 47, pages 1-7

Published in Breviora, in 1955, in volume 48, pages 1-12

Published in Breviora, in 1955, in volume 49, pages 1-12

Published in Breviora, in 1955, in volume 50, pages 1-5