[78-L] help please - dating WESTMINSTER variant releases

[Thomas Stern]

I am trying to determine when and/or what order the following variant
packaging's of  the JEAN RITCHIE - "Songs From Kentucky" Lp were released.

 

WP 6037  photo on jacket, liner notes, purple disc labels

 

18021  generic jacket with Parliament-Big Ben, sticker with album name, no
liner notes, green disc labels

 

Westminster/Argo  WN 18021    photo on jacket, gatefold jacket

 

Thanks!

Best wishes, Thomas.