Question about Buck Classics?

[Badhammer]

Can someone please tell me which models these are? Believe the top one is a 111 but not sure. Don't have a clue on the other three. Checking the BCCI site now to see if I can figure it out. TIA

 

[badws6]

111
510
513
515

I believe

 

[sitflyer]

1982 Dealer Catalog, Pg.5

 

[Badhammer]

Thank you both.