Who is the author of 聲律關鍵(三)?

The author of the book '聲律關鍵(三)'is (宋)鄭起潛撰. and this book published in 1940

What is the Publish date of 聲律關鍵(三)?

'聲律關鍵(三)' was published in 1940.

The name of the publisher is 270.

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