Editing Crosman (section)

== References ==

# [https://support.crosman.com/hc/en-us/articles/203360714-3357-357-series-Owner-s-Manual-EVP-1985-1991 Crosman, "3357 (357 Series) Owner's Manual & EVP", official manufacturer support record identifying manufacture from 1985 to 1991].
# [https://www.vintagerex.com/cgi-bin/index.cgi?action=viewdb&man=Crosman VintageRex, "Crosman", historical manufacturer catalogue].
# [https://www.crosman.com/about-crosman/ Crosman, "About Crosman", official company history documenting the 1992 acquisition of Benjamin Sheridan].
# [https://www.crosman.com/100years/ Crosman, "Celebrate 100 Years of Crosman's Innovation in Airguns", manufacturer history including Sheridan Paintball and Game Face Paintball].
# [https://www.vintagerex.com/pics/gunpics/Crosman/3357%20Spotmarker/ads/3357%20Spotmarker%20Ad%20Scan%20from%20APG%20May%201988.JPG Casanova Guns, Crosman 3357 Spotmarker advertisement, Action Pursuit Games, May 1988, Volume 2, Number 5, p. 60, preserved by VintageRex].
# [https://www.warpig.com/paintball/technical/paintguns/gun-digest.shtml Dawn Mills, "Paintball Gun Digest", WARPIG, 30 August 1994].
# [https://rbj.net/2004/12/17/paintball-air-gun-sales-shoot-up-for-crosman/ "Paintball, Air Gun Sales Shoot Up for Crosman", Rochester Business Journal, 17 December 2004].
# [https://support.crosman.com/hc/en-us/article_attachments/201589410/C3357-OM.pdf Crosman, "3357 Spot Marker Owner's Manual", original manufacturer instructions and specifications].
# [https://www.vintagerex.com/cgi-bin/index.cgi?action=viewmarker&man=Crosman&marker=3357+Spotmarker+Rifle VintageRex, "3357 Spotmarker Rifle", historical catalogue entry].