Conversation so far:
What is the pioneering co-op and how does it relate to Horace Plunkett?
The Co-Op refers to Horace Plunkett's pioneering remedy for social and economic ills; cooperative self-help.
What did Horace Plunkett do when establing the first Co-Op for farmers?
Horace Plunkett took a leading part in developing agricultural co-operation, of which he had learned from isolated American farmers, taking account of Scandinavian models.

Question: What were the scandinavian models
Self-contained rewrite: What were the scandinavian models Horace Plunkett took account of when developing agricultural co-operation?