EDIT International Phonetic Alphabet

+ Alternatives // unknown
+ Former versions // unknown
+ Origin // Latin alphabet, small letter
+ Visual characterization // fusion of small letter b and small letter p through a vertical line and small letter o

+ Superseded by ð (U+00F0) and θ (U+03B8)

+ Other // Thorn has never been part of the IPA officially and was used in Old English manuscripts.


+ Source //
Principles of the International Phonetic Association, London, 1949. /
Journal of the International Phonetic Association, 1989. /
Wikipedia. Die Liste der IPA-Zeichen & History of the International Phonetic Alphabet. /
Handbook of the International Phonetic Association: A Guide to the Use of the International Phonetic Alphabet. /
Pullum, Geoffrey and William A. Ladusaw. Phonetic Symbol Guide. Second edition.

 FrauFriedrich