Author(s): Michels, Robert; Oppenheimer, Franz; Koigen, David; Nelson, Leonard; Renner, Karl; Adler, Max; Jahn, Georg; Pribram, Karl; Salomon, Gottfried; Heyde, Ludwig; Tönnies, Ferdinand

Author(s): Kapp; Schmitt, Carl; Stampfer, Friedrich; Hertz, Friedrich; Dovifat, Emil; Voegelin, E.; Tönnies, Ferdinand; Eckardt, Hans von; Brinkmann, Carl

Author(s): Tönnies, Ferdinand; Weber, Max; Bernstein, Eduard; Hartmann, Ludo Moritz; Würzburger; Michels, Robert; Rathgen, K.

Author(s): Sombart, Werner; Spann, Othmar; Wiese, Leopold von; Stoltenberg, Hans Lorenz; Tönnies, Ferdinand; Adler, Max; Oppenheimer, Franz; Kaufmann, Felix; Wilbrandt, Robert

Author(s): Tönnies, Ferdinand; Weber, Alfred; Sombart, Werner; Wilbrandt, Robert; Stoltenberg, Hans Lorenz; Jerusalem, Franz W.; Singer, Kurt; Lederer, E.; Löwe, A.; Meusel, Alfred; Elias, Norbert; Jonas, H.; Eppstein, Paul; Wiese, Leopold von; Mannheim, Karl

Author(s): Menzel, Adolf; Salomon, Gottfried; Nelson, Leonard; Honigsheim, Paul; Oppenheimer, Franz; Eckstein, Walther; Sulzbach; Tönnies, Ferdinand; Goldscheid, Rudolf

Author(s): Tönnies, Ferdinand; Schmidt, P.W.; Lips, Jul.; Michels, Robert; Wilbrandt, Robert; Hertz, Friedrich; Bergsträsser, Arn.; Honigsheim, Paul; Löwe, Adolf

Author(s): Hertz, Friedrich; Gierlichs, Willy; Sombart, Werner; Tritsch, Walter; Busse, Kurt H.; Prinz, Arthur; Nadler J.; Eulenburg, Franz; Tönnies, Ferdinand

Author(s): Sombart, Werner; Driesmanns, Heinrich; Somary; Tönnies, Ferdinand; Vogelstein; Weber, Max; Oppenheimer, Franz

Author(s): Tönnies, Ferdinand; Weber, Max; Simmel, Georg; Buber; Kantorowicz; Troeltsch, Ernst