1. ^{{cite book|author=Aaro Hellaakoski|title=Jääpeili|url=https://books.google.com/books?id=XKZaPlZvaqIC&pg=PA17|date=1928|publisher=Otava|location=Helsinki|pages=17–}}
2. ^{{cite book|editor1-last=Heinberg|editor1-first=Aage|editor2-last=Bukdahl|editor2-first=Jørgen|title=Through Revolutions to Liberty|date=1959|publisher=Arnkrone|url=https://books.google.com/books?id=krfTAAAAMAAJ&q=jaapeili+hellaakoski&dq=jaapeili+hellaakoski&hl=en&sa=X&ei=klvAU5nBMcSkyASu5oCYCA&ved=0CCUQ6AEwAg|pages=1126ff|series=Scandinavia Past and Present|volume=2}}
3. ^{{cite book|editor1-first=Wim |editor1-last=Van Mierlo|editor2-first=Alexandre|editor2-last=Fachard|last=Pulkkinen|first=Pulkkinen|chapter=A Genetic and Semiotic Approach to the Bibliographical Code Exemplified by the Typography of Aaro Hellaakoski's 'Dolce Far Niente'|title=The Journal of the European Society for Textual Scholarship|date=2013|publisher=Editions Rodopi|location=Amsterdam|isbn=9789401209021|url=https://books.google.com/books?id=TUUjAAAAQBAJ&pg=PA167|pages=163-186}}