Division of signsPeirce, Charles S.; Pietarinen, Ahti-VeikkoSign systems studies = Töid märgisüsteemide alalt = Труды по знаковым системам2015 / p. 651-662 : ill https://doi.org/10.12697/SSS.2015.43.4.16 Journal metrics at Scopus Article at Scopus Article at WOS

Exploring Peirce's speculative grammar : the immediate object of a signBellucci, FrancescoSign systems studies = Töid märgisüsteemide alalt = Труды по знаковым системам2015 / p. 399-418 https://doi.org/10.12697/SSS.2015.43.4.02 http://www.ester.ee/record=b1331700*est Journal metrics at Scopus Article at Scopus Article at WOS

"Logic, considered as semeiotic" : on Peirce's philosophy of logicBellucci, FrancescoTransactions of the Charles S. Peirce Society2014 / p. 523-547 https://doi.org/10.2979/trancharpeirsoc.50.4.523 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Sign theory at work : the mental imagery debate revisitedIssajeva, JelenaSign systems studies = Töid märgisüsteemide alalt = Труды по знаковым системам2015 / p. 584-596 : ill https://doi.org/10.12697/SSS.2015.43.4.13 https://www.ester.ee/record=b1331700*est Journal metrics at Scopus Article at Scopus Article at WOS

Su Peirce filosofo del linguaggioBellucci, FrancescoRivista Italiana di filosofia del linguaggio2016 / p. 1-21 : ill http://dx.doi.org/10.4396/20160601