Alexander Vvedensky (On the question of the signs of consciousness)/Aleksandr Vvedenskiy (K voprosu o priznakakh soznaniya) . Short description: Alexander Vvedensky (On the question of signs of consciousness). Sergey Nikolaevich Trubetskoy, 1908. This book is printed on demand. It is a new book and will be printed once your order is received. Reprint in black & white from the original edition. No changes have been made to the original text. The work may contain library stamps and other notations. Hardcover (other binding may be available upon request). The original edition may also be available - feel free to contact us to request availability of the original edition of this book. SKUpod598376f1e859b6f2