The Group in Logic and Methodology of Real Finland (1976–1986)

Kuvat teoksesta: Timo Airaksinen, Risto Hilpinen, Juhani Pietarinen, Arto Siitonen, ym. (1976). Wright and Wrong: Mini-essays in honor of Georg Henrik Von Wright on his sixtieth birthday, June 14, 1976.

Jari Talja, Koura A. (eds.) (1986). Realizations: Mini-essays in honor of Krister Segerberg on his fiftieth birthday, April 26, 1986. [6]

Timo Airaksinen, Risto Hilpinen, Irma Korte-Karapuu, Hannu Nurmi, ym. (1978). Odds and Ends: Mini-essays in honor of Juhani Pietarinen on his fortieth birthday, December 16, 1978. [5]

Jari Talja, Koura A. (1976). □ And ◇. Mini essays in honor of Krister Segerberg on his fortieth birthday, April 26, 1976. [4]

Timo Airaksinen, Risto Hilpinen, Juhani Pietarinen, Arto Siitonen, ym. (1976). Wright and Wrong: Mini-essays in honor of Georg Henrik Von Wright on his sixtieth birthday, June 14, 1976. [3]

Tekijä tuntematon (1974). Kangerille. Mini essays in honor of Stig Kanger on his fiftieth birthday, July 10, 1974. [2]

Tekijä tuntematon (1973). P and Q. Mini essays in honor of Risto Hilpinen on his thirtieth birthday, March 9, 1973. [1]