• Diagrams or rubbishPietarinen, Ahti-VeikkoCharles Sanders Peirce in his own words : 100 years of semiotics, communication and cognition2014 / p. 115-120
• Is there a general diagram concept?Pietarinen, Ahti-VeikkoThinking with diagrams : the semiotic basis of human cognition2016 / p. 121-137
• Pragmaticism as a logical study of consciousnessPietarinen, Ahti-VeikkoCognitive semiotics2021 / p. 29−46 https://doi.org/10.1515/cogsem-2021-2037 https://www.scopus.com/sourceid/21101038745 https://www.scopus.com/record/display.uri?eid=2-s2.0-85110758510&origin=inward&txGid=818443c5aea0d1431b29c6be0b950651