Check your Quests panel to see how many Journal pages you are missing.
Then go to the link below to see a post that has images of specific Scandinavian screens that contain journal pages.
The most likely Journal pages to get missed are probably in mines where the Journal location is not marked by Dad boxes. Instead you put stones under Rune stones to get the Journal pages. Those are:
SKADI: Mountain of Echoes
LOKI: Green Pastures
LOKI: Dwarven Tunnels
BRAGI: Foyer of Valhalla
HEL: Road of Roses
I'm interpreting what you have written to mean that you have gotten entirely through Odin's quest line, but I wondered if perhaps you mean that you got stopped at Frigga. If you meant stopped at Frigga and you just completed Mistletoe Forest, you need to talk to Frigga in Valhalla. Check that you are using the MAIN Scandinavian map (and not a god map). On the Main map, the ice mountain is labeled "Valhalla 0/0." On the god maps, the ice mountain is not labeled and cannot be used to open Valhalla.