Published in Hedwigia, in 1921, in volume 62, pages 1-11

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Published in Hedwigia, in 1921, in volume 62, pages 12-37

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Published in Hedwigia, in 1921, in volume 62, pages 38-55

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Published in Hedwigia, in 1921, in volume 62, pages 90-154

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Published in Hedwigia, in 1921, in volume 62, pages 155-162

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Published in Hedwigia, in 1921, in volume 62, pages 163-281

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Published in Hedwigia, in 1921, in volume 62, pages 282-319

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Published in Hedwigia, in 1921, in volume 62

Created: 2025-10-01, modified: 2025-10-01