Analysis of information sources in references of the Wikipedia article "Crayon" in English language version.
(condensed excerpt) American Crayon Company formed from the merger in 1890 of several older companies, one dating back to 1835. In 1957 it merged with Joseph Dixon Crucible, which then merged with Bryn Mawr Corporation in 1983 to form the Dixon Ticonderoga Company. 'Prang' became the brand of crayon made by the American Crayon Company subsidiary thereof.
(condensed excerpt) American Crayon Company formed from the merger in 1890 of several older companies, one dating back to 1835. In 1957 it merged with Joseph Dixon Crucible, which then merged with Bryn Mawr Corporation in 1983 to form the Dixon Ticonderoga Company. 'Prang' became the brand of crayon made by the American Crayon Company subsidiary thereof.