Published in Breviora, in 1953, in volume 11, pages 1-13
Published in Breviora, in 1953, in volume 12, pages 1-8
Published in Breviora, in 1953, in volume 13, pages 1-8
Published in Breviora, in 1953, in volume 14, pages 1-4
Published in Breviora, in 1953, in volume 15, pages 1-9
Published in Breviora, in 1953, in volume 16, pages 1-6
Published in Breviora, in 1953, in volume 17, pages 1-6
Published in Breviora, in 1953, in volume 18, pages 1-8
Published in Breviora, in 1953, in volume 19, pages 1-11
Published in Breviora, in 1953, in volume 20, pages 1-8
Published in Breviora, in 1953, in volume 21, pages 1-7
Published in Breviora, in 1953, in volume 22, pages 1-3