Harr was a widely published writer whose creative works included haiku, senryu, renga, tanka, haibun, free verse poetry, cinquain, and children’s stories. She published articles on these forms in newspapers, literary and educational journals, and magazines. Harr also authored fifteen books of poetry, including Under the Roan Cliffs: A Collection of Renga, 1994-2001, which was written with Brad Wolthers. She wrote for many years under the name Tombo (Dragonfly), and her work received numerous awards from national and international organizations.
In 1972, Harr founded the Western World Haiku Society, and she edited six anthologies of Western World Haiku Society Annual Contest Award Winners. From 1972-1984, she edited Dragonfly, one of the first and most respected English-language haiku journals. She led the Tombo Haiku Group in Portland, Oregon, and she held a teacher’s degree in Ryusei-ha Ikebana. Harr passed away in 2006.