 Rosendal himself used the neo-thomistic paradigm and resisted all kinds of liberal theology as well as the dialectical theology of Karl Barth.Rosendal was one of the theologians that worked for the foundation of the International League for Apostolic Faith and Order (ILAFO).In Sweden his influence can be seen in the foundation of the high church organization "arbetsgemenskapen Kyrklig Förnyelse" (aKF), which was inspired by his book, "Kyrklig förnyelse".