Published in Postilla, in 1961, in volume 48, pages 1-20
Published in Postilla, in 1961, in volume 50, pages 1-20
Published in Postilla, in 1961, in volume 52, pages 1-15
Published in Postilla, in 1961, in volume 53, pages 1-13
Published in Postilla, in 1961, in volume 54, pages 1-20
Published in Postilla, in 1961, in volume 55, pages 1-16
Published in Postilla, in 1961, in volume 56, pages 1-17