Aleph Anrep

• Enquête sur les tourbières et l'industrie de la tourbe en Canada durant la saison 1909-10
• Investigation of the peat bogs and peat industry of Canada during the season 1909-10
• Investigation of the peat bogs and peat industry of Canada, 1910-11
• Investigation of the peat bogs and peat industry of Canada, 1911-12
• Investigation of the peat bogs and peat industry of Canada, 1913-14