Found this today and although it is not specifically targeting crappie, it is a general information site for many of the old time fishing lures some of us still use today:
History Of Helin Fishing Lure Company | Vintage Collectible Tackle -
"A voyage in search of knowledge need never abandon the spirit of adventure."scrat LIKED above postsilverside thanked you for this post
I still have some of those lures in an old metal tackle box