Beginning in 1886, he observed 829 stars in Bradley's directory to determine if they had companion stars.
Vasily Smyslov | Vasily Zhukovsky | Vasily Livanov | Vasily Golovnin | Vasily Polenov | Vasily Vladimirovich Petrov | Vasily Rainchik | Vasily Perov | Vasily Lanovoy | Vasily Kafanov | Vasily Kachalov | Vasily Gorodtsov | Vasily Chapayev | 4217 Engelhardt | Wolf von Engelhardt | Vasily Vasilyevich Rochev | Vasily Vasilievsky | Vasily Vasilievich Struve | Vasily Sokolovsky | Vasily Petrenko | Vasily Pavlovich Rochev | Vasily Orlov-Denisov | Vasily Nemirovich-Danchenko | Vasily Konstantinovich | Vasily Kazakov | Vasily Karasev | Vasily Fyodorovich Trutovsky | Vasily Fesenkov | Vasily Dolgorukov | Vasily Botkin |