Kranz: The Key to the Character Problem or the „Chinese Alphabet“

常用四千字錄: The Key to the Character Problem or the „Chinese Alphabet“. Four Thousand Most Frequent Characters According to Rev. W. E. Soothill’s Phonetics But Divided Into Six Classes of Frequency with Standard Romanisation. For Self-examination and Private Study. Arranged by Pastor P. Kranz (Shanghai: Presbyterian Mission Press, second edition, entirely revised, 1910)

• Bibliographic reference: BS col. 1729 (refers to the first part of the first edition: Shanghai 1903)
• Digitized: HKU
• No copy listed in Wiener China-Bibliographie