When adding an alternative title during the works registration process, you must select a Title Type.
Definitions of Title Types are:
First line of text: The beginning of a text.
Formal Title: A standardized title in which the elements are arranged in a pre-determined order. Normally created for classical works.
Incorrect Title: A false or unacceptable title sometimes mistakenly used for identification.
Original Title: A title given to the work by its creator(s) shown in its original language.
Original Title Translated: An original title translated into a different language.
Part Title: A section of a work which is not recognized as an excerpt in its own right and does not have its own ISWC.
Restricted Title: A title from which all initial articles and punctuation have been removed.
Extra Search Title: An alternative title created to aid database searching (e.g. where special characters, puns, or slang have been replaced by standardized elements).
Original Title with National Characters: The original title of the work in its original language, using accented national characters.
Alternative Title with National Characters: An alternative work title in its original language, using accented national characters.
Alternative title: An alternative to an original title.