https://en.wikipedia.org/wiki/Ressentiment_(Scheler)#Essential_structures_of_Ressentiment_proper:_%22Pathological_Ressentiment%22
https://www.amazon.com/Ressentiment-Marquette-Studies-Philosophy-Scheler/dp/0874626021/ref=sr_1_fkmr0_1?keywords=Pathological+Ressentiment&qid=1580272960&s=books&sr=1-1-fkmr0 (accessible via scribd)
https://www.amazon.com/Re-thinking-Ressentiment-Limits-Criticism-Critics/dp/3837621286/ref=sr_1_1?keywords=Re-thinking+Ressentiment%3A+On+the+Limits+of+Criticism&qid=1580272783&s=books&sr=1-1
http://www.pep-web.org/document.php?id=bjp.034.0393a&type=hitlist&num=4&query=zone1%2Cparagraphs%7Czone2%2Cparagraphs%7Ctitle%2Cressentiment%7Cviewperiod%2Cweek%7Csort%2Cyear%2Ca#hit1
Scheler's analysis also provides us with a way of understanding how ressentiment can be a response to real social injustices. Indeed social ressentiment is now widely regarded as the affective foundation of reactionary forms of populism.