| title | creator | language | description | tableOfContents | contributor | subject | created |
| Comments on the Taxonomy and Geographic Distribution of Some North American Marsupials, Insectivores and Carnivores | | en | | | | | 2010-09-12 |
| Comments on the Taxonomy and Geographic Distribution of Some North American Rodents | | en | | | | | 2010-08-30 |
| Comments on the Taxonomy and Geographic Distribution of North American Microtines | | en | | | | Lemmings; Voles | 2009-06-22 |
| Comments on the Taxonomy and Geographic Distribution of Some North American Rabbits | | en | | | | Rabbits; Mammals -- North America | 2009-05-19 |
| Lessons of the War
Being Comments from Week to Week to the Relief of Ladysmith | Wilkinson, Spenser, 1853-1937 | en | Consists of articles from The London Letter | | | | 2005-02-19 |
| Books and Persons
Being Comments on a Past Epoch 1908-1911 | Bennett, Arnold, 1867-1931 | en | | | | | 2005-04-26 |
| A New Subspecies of Microtus montanus from Montana and Comments on Microtus canicaudus Miller | | en | | | | Microtus; Mammals -- Montana | 2009-05-18 |
| Shakespeare and Precious Stones
Treating of the Known References of Precious Stones in Shakespeare's Works, with Comments as to the Origin of His Material, the Knowledge of the Poet Concerning Precious Stones, and References as to Where the Precious Stone | Kunz, George Frederick | en | | | | | 2005-06-13 |
| A Terminal Market System
New York's Most Urgent Need; Some Observations, Comments,
and Comparisons of European Markets | Black, Madeleine | en | | | | Markets; Markets -- New York (State) -- New York | 2009-04-22 |
| Comments on the Taxonomic Status of Apodemus peninsulae, with Description of a New Subspecies from North China | Jones, J. Knox, 1929-1992 | en | | | | | 2010-03-17 |
| The Sable Cloud
A Southern Tale With Northern Comments (1861) | Adams, Nehemiah, 1806-1878 | en | | | | | 2005-01-06 |
| War Taxation
Some Comments and Letters | Kahn, Otto Hermann, 1867-1934 | en | | | | World War, 1914-1918 -- Finance -- United States; Income tax -- United States | 2009-06-26 |