Perhaps you should try some spelling variations:
"1944 Icelandic institution referendum" » "1944 Icelandic institucion referendum", "1944 Icelandic institutional referendum", "1944 Icelandic instituto referendum"
"1944 Icelandic institutions referendum" » "1944 Icelandic institucions referendum", "1944 Icelandic institutionals referendum", "1944 Icelandic institutos referendum", "1944 Icelandic instituciones referendum", "1944 Icelandic institutional referendum", "1944 Icelandic institucion referendum"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("1944 Icelandic institution referendum") OR ("1944 Icelandic institutions referendum"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"1944 Icelandic institution referendum\") OR (\"1944 Icelandic institutions referendum\"))".
• Removing quotes may allow a broader search: (( 1944 Icelandic institution referendum ) OR ( 1944 Icelandic institutions referendum )).
• Adding a wildcard symbol may retrieve word variants: (("1944 Icelandic institution referendum") OR ("1944 Icelandic institutions referendum"))*.