From 1910 to 1915 he worked on the extensive city-planning project of Munksnäs-Haga and later published a book on the subject. In January 1911 he became a consultant in city planning for Tallinn, Governorate of Estonia and was invited to Budapest to advise in city development. In 1912, a brochure written by Saarinen about the planning problems of Budapest was published. He was runner up behind Walter Burley Griffin in an international competition to design the new Australian capital city of Canberra in 1912, but the following year he received the first place award in an international competition for his plan of Reval. From 1917 to 1918 Saarinen worked on the city-plan for greater Helsinki. He also designed a series of postage stamps issued 1917 and the Finnish markka banknotes introduced in 1922.