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Newsletter Hubbard # 20 - January 2020
Newsletter Hubbard # 19 - September 2019
Newsletter Hubbard # 18 - February 2019
Newsletter Hubbard # 17 - January 2018
Newsletter Hubbard # 16 - September 2017
Newsletter Hubbard # 15 - January 2017
Newsletter Hubbard # 14 - July 2016
Newsletter Hubbard # 13 - January 2016
Newsletter Hubbard # 12 - Summer Autumn 2015
