author
lead editor or proofreader
performer
joint author
peer reviewer
musical editor
bookbinder
music transcriber
engraver
folklore collector
music engraver
writer of added text
essay author
scientific advisor
conceptor
cartographer
interviewer
illustrator
text compiler
translator
thesis advisor
art designer
writer of foreword
photographer
publisher
printing press operator
commentator
letter recipient
writer of afterword
artist
story adapter
composer
lyricist
music conductor
screenwriter
unknown role
