When was/ were - the original messages posted - that you are responding to
Perhaps - the Souvenir that you have - re Souvenir of Calgary - O.E. Dahl -
Col. Belcher Hospital - was not made by O.E. DAHL - but the name refers to a department or ? at the hospital Do a Google Search
http://www.researchgate.net/profile/Ola_Dahl/publications