1. American nervousness, its causes and consequences: a supplement to Nervous exhaustion (neurasthenia) Author(s): Beard, George M. (George Miller), 1839-1883 Publication: New York : G.P. Putnam's Sons, [c1881] Subject(s): AnxietyNeurastheniaHealth StatusUnited States
2. The nature and diagnosis of neurasthenia (nervous exhaustion) Author(s): Beard, George M. (George Miller), 1839-1883 Publication: New York : D. Appleton & Company, 1879 Subject(s): NeurastheniaDiagnosis, DifferentialUnited StatesGermany
