Schöpp, Joseph C. Reinhart, Werner Tonn, Horst Mayer, Kurt A. Müller, Wolfgang G. Opfermann, Susanne Porsche, Michael Hollweg, Brenda Pianos, Tamara Reichardt, Ulfried Nünning, Ansgar Ensslen, Klaus Nestvold, Ruth Berkemeier, Christian Binder, Wolfgang Zapf, Harald Halfmann, Ulrich Herget, Winfried Hurm, Gerd Moss, Maria Person, Jutta Zimmermann, Jutta Bach, Gerhard von Finck, Diana Claviez, Thomas Kalb, Kristina Heide, Markus Leypoldt, Günter Scheiding, Oliver Hebel, Udo Klepper, Martin Grandel, Hartmut Mayer, Sylvia Leitner-Rudolph, Miryam Koenen, Anne Kelleter, Frank Requardt, Nadine Hölbling, Walter Fischer, Katrin Schäfer-Wünsche, Elisabeth Keitel, Evelyne Fluck, Winfried Breinig, Helmbrecht Werner, Florian Salheiser, Britta Grewe-Volpp, Christa Brenner, Wolfgang Reinicke, Gesine Bischoff, Volker Ernst, Jutta Georgi-Findlay, Brigitte Wegener, Cornelia Sielke, Sabine Müller, Kurt Schmidt, Klaus H. Lührmann, Silke Schulz, Dieter Lutz, Hartmut Smolinski, Reiner Roth, Yvonne Ickstadt, Heinz Lemke, Sieglinde Sichert, Margit Mitchell, Tanja Hinz, Kristina Engler, Bernd Taumann, Beatrix Steinert, Ilka Schwank, Klaus Groß, Konrad Colavincenzo, Marc Braun, Hartmut Scholz, Anne-Marie Paul, Heike Guillemin, Georg Gersdorf, Cathrin Freese, Peter Zacharasiewicz, Waldemar Fleischmann, Brigitte Ghosh-Schellhorn, Martina Hüppe, Barbara Hof, Renate Kanzler, Katja Pehnt, Annette Tranker, Brigitte Heuser, Sabine Wieselhuber, Franz Lönnecke, Annette Draxlbauer, Michael Surkamp, Carola and Thurner, Bettina 2000. Metzler Lexikon Amerikanischer Autoren. p. 1.

Pearce, Lucy 2007. Re-visioning History: Countering Emerson's alleged ahistoricity. European Journal of American Culture, Vol. 26, Issue. 1, p. 41.

Plotica, Luke Philip 2018. Nineteenth-Century Individualism and the Market Economy. p. 71.

Plotica, Luke Philip 2018. Nineteenth-Century Individualism and the Market Economy. p. 125.