Denver. Taxation. Income tax Views of Councilman Alex B. Holland. Post Nov. 18, 1956 p.4AA Pensioners and League of Women Voters back wage tax plan. Post Dec. 6, 1957 p.3 Mayor Nicholson predicts city wide election on taxes in 1958. RMN Jan. 7, 1958 p.50 c.1 Details of income tax charter amendments given city council. RMN July 17, 1958 P-32 Councilmen in favor of income tax vote. RMN July 3, 1958 p.40 c-3 Outline of proposed city income tax. RM Jyly 24, 1958 p.14