1945? “Deadline Set For DCC Net Meet Entries.”

1947. “City Park Netters Win City Crown.”

1948. “Pubparks Teams Crowns Decided.”

1949. “All Favorites Advance In Public Parks Tennis.” Ben Callaway, The Denver Post.

1949. “Ben Berk Top-Seeded For Parks Net Meet.”

1949. “Big Entry List Due For Parks Net Meet.” Ben Callaway, The Denver Post.

1949. “Speers Outlast Berk for Parks’ Net Title.” Ben Callaway, The Denver Post.

1949.08.05. “Berk Sets Pace in Tennis Play.” Ben Callaway, The Denver Post.

1950. “Intramural Tennis Tourney Progressing.” The Denver Clarion.

1950. “Wins Title.” “Hoffman is Boys Champ in Net Meet.”

1950.05.05. “Net Tourney List Swells.”

1950.05.05. “[ ] Net Team Shows Promise; Two Plan Tour.”

1951. “Netters Gun for Win.”

1951.04.29.  “Tennis Mentor Hopes DU Gains Points in Big Event.”

1951.04.20. “Hoffman Upsets Whistler in City Tennis Tourney.”

1951.05. “DU Ping Pong Team Runners-Up in State.”

1951.05.08. “Tennis Anyone?” The Denver Clarion.

1952? “Hoffman Sidelines Moll In Net Tournament Upset.”

1952.03. “Raqueteers Sweep South In Brilliant Display of Tennis.” The Denver Clarion.

1952.03. “DU Tennis Team Defeats SMU.”

1952.03.22. “D. U. Netters Bump Lobos for Sweep.”

1952.03.25. “D. U. Tennis Team Beats Texas Tech.” The Denver Post.

1952.05.09. “Meet New Mexico Lobos.” The Denver Clarion.

1952.05.27. “Denver U. Netters Nab Skyline Title.” The Denver Clarion.

1952.06? “‘Unheralded’ Tennis Player Consistent Court Performer.” Chuck Wathen, The Denver Clarion.

1955?.05.26. “Hoffman 2 For 2 In Tennis Match.” Plane Talk.

1955.09?.24. “Tennis Finalists.”

1956. “Hoffman Captures South AF Net Title.”

1956. “Itazuke Netmen Tame Students.”

1956. “Tennis Team Treks to Tropics.” Plane Talk.

1956.06.16. “Netmen Set for Tournament.” Plane Talk.

1956.06.23. “Itazuke Sweeps Tennis Tourney.” Plane Talk.

1980? “Hoffman named net pro at new Heather Ridge CC.”

1966? “Tennis Tips.”

1966? “Upsets Rule Courts in Junior Doubles.” The Denver Post.

1966.06.03. “Tennis Pro Keeps Busy.” Charlie Meyers.

1971.05. “Super turnout for youth tennis foundation clinic.” Set Point, Youth Tennis Foundation of Colorado.

1973.07.23. “Green Gables tennis pro Irwin Hoffman: Lifetime dedicated to a ‘lifetime sport.’” Chris Leppek, Intermountain Jewish News.

1974. “Profile: Irwin Hoffman.” Leisure Living.

1974.08.04. “Tennis, anyone? Yes, everyone.” Rocky Mountain News.

1974.11.11. “Now Everybody has the Bug.” John Underwood. Sports Illustrated.

1975.01.01. “Profile: Irwin Hoffman.” EDI News, Environmental Developers, Inc.

1977.02.24. “Tennis boom goes on — inside and out.” Fred Morrow, Rocky Mountain News.

1977.06.23. “Gart Bros. and Irwin Hoffman’s Tennis Diagnostic Clinic.” The Denver Post.

1978.06.14. “Columbian Tennis Program Teaching More Than Serves.” Barbara Tramutt, The Denver Post.

1979.06. “Irwin Hoffman.” Gordie Gibson.

1980.06. “Colorado Tennis Association Board of Directors.”

1983.07.21. “Hoffman blends tennis with work and play.” Christopher Dehning, The Villager.

2000.02–03. “Hoffman to be recognized for lifetime service.” GCCCNews, Green Gables Country Club.

2004? “Net Device Really Nifty.” Dick Connor.

2004.08.27. “Irwin Hoffman’s Tutees: Young tennis stars.” Gerald Mellman, Intermountain Jewish News.

2006. Summer. “Spotlight: Transcending Tennis.” Colorado Tennis.