Lomonosov kak khimik : 1711-1911 : rechʹ P.I. Valʹdena proiznesenna︠i︡a v Torzhestvennom sobranīi Imperatorskoĭ akademīi nauk, 8 no︠i︡abr︠i︡a 1911 goda v pam︠i︡atʹ 200 l︠i︡etī︠i︡a so dn︠i︡a rozhdenī︠i︡a M.V. Lomonosova - Walden, Paul, b. 1863 (Tip. Imp. akademīi nauk, 1911)