Night study, _see Reading_.
Novelists, biographies of, _see Careers_.
Observation, _see Success Qualities_.
=Obstacles:=
Blindness, _Herreshoff_, 539
Cost of distinction, _Nordica_, 557
Crippled, _Wilder_, 373
Deaf, dumb and blind, _Keller_, 396
Delicate health, _Roosevelt_, 181
Disappointment, _Davenport_, 336
Fire of 1871, _Field_, 86
Glorious to be barred, _Riley_, 259
Misfortune, advantage of, _Conwell_, 426
Telegraph was new, _Clowry_, 147
Ohio, iron bridge across, _see Achievements_.