{| class="sortable" border="1" cellpadding="5" cellspacing="0"! Wheeler Rygh 1885 !! Petersen 1919 !! RyghWheeler 1927 || Oakeshott 1960
|-
| I || M A || [[File:R489.jpg|thumb|100px|Rygh 489]]
|-
| rowspan="3" [[File:R489 Crop.jpg| II thumb|100px| B Rygh 489]] || M || I || I
|-
| C ||P || Iv || Iv
|-
| H || B || rowspan="3" | II || rowspan="3" | II|- | || C |- | [[File:R494.jpg|thumb|100px|Rygh 484]]|| [[File:sword_type_h.jpg|thumb|100px|H]]|- | [[File:R506.jpg|thumb|100px|Rygh 506]] || D || || |- | || [[File:sword_type_r.jpg|thumb|100px|R]] || rowspan="3" | III || rowspan="3" | III|- | || S |- | || T |- | || [[File:sword_type_k.jpg|thumb|100px|K]] || IV || IV
|}