This collection consists of two letters written on May 28 and December 3, 1864 from Caleb Smith to his younger brother Ethelbert Marshall Smith. The letters describe business dealings overseas during the 19th century, as well as personal matters. Caleb Smith worked in Hong Kong at a small merchant firm, and Ethelbert worked in Amoy (Xiamen, China) as the United States unnoficial Vice-Consul before moving to work at an unnamed private company.

Volume of Civil War era sheet music. Approximately 65 individual compositions.

A collection of newspaper clippings dealing with the events of the first year of the Civil War, 1861.

A collection of almost 260 letters and documents dating 1861-1864, written by various officers of the Confederate States Government and the Confederate Navy.

Collection consists of two letters written (August 23, 1861 and October 28, 1861) to Johnny Wilde in Selma, Alabama from Emilie Bailey in Wilmington, North Carolina at the outbreak of the American Civil War.

Francis Lieber was a publicist, educator, and political philosopher born in Berlin on March 18, 1800. The Lieber Papers span the years from 1829 to 1873 and include correspondence; interleaved copies of Lieber's books; a small number of original manuscripts; printed speeches, lectures, articles and poems; administrative materials, printed briefs and manuscript decisions for the United States and Mexican Claims Commission (1868-1872).

Frederick Stansbury Haydon (died 1992) was a US Army officer and military historian. Collection consists of the research notes, illustrations, and photographs assembled by Haydon for his published work Aeronautics in the Union and Confederate Armies (1941), as well as some personal and student material. Materials range in date from 1937 to 1977.

George B. Coale (1819-1887) was an insurance executive in Baltimore. This collection consists of ten letters to George B. Coale ranging in date from 1832 to 1881.

The Horstmeier family resided in the Boston, Massachusetts area in the 1890s. The scrapbook (1855-1863) contains clippings of poems and prose removed from newspapers and most likely assembled during the Civil War period.

James D. McCabe, Jr. (1842-1883) was a Confederate supporter and a popular writer of more than 30 works including histories, biographies, and plays. The collection consists of letterbooks, unpublished manuscripts, and photographs dating from 1862 to 1881.

James Ryder Randall (1839-1908) was a native of Maryland and penned the poem, Maryland, My Maryland! which was adopted as the state song in 1939. The collection includes autograph transcriptions of a letter to Charles F. Gunther of Chicago and the accompanying aforementioned poem.

Collection consists of one bound volume that served as a register for visitors to the Ladies' State Sanitary Fair held at the Maryland Institute in Baltimore, April 1864. Notable signatures include Abraham Lincoln; Mary Todd Lincoln; Treasury Secretary, Salmon P. Chase; Secretary of State, William Henry Seward; Maryland Governor, Augustus W. Bradford; and Major General Robert C. Schenck.

Louisa Hoffman, daughter of Amuel Owings Hoffman and Louisa A. Gilmore, was born in Baltimore about 1831 and died on 4 January 1884. The collection consists of a Civil War diary of Louisa Hoffman, of Baltimore, Maryland, dated 1860-1862.

This collection consists of a copy of a diary (1861-1865) of Lucy Rebecca Buck written during the American Civil War. In 1973, the diary was published under the title of Sad Earth, Sweet Heaven. Lucy Rebecca Buck was born in 1842 and resided near Front Royal, Virginia.

The Merryman-Crane family papers document the nineteenth century life of two families of enslavers related by marriage, one centered in Richmond, Virginia, and the other in Baltimore County, Maryland. The Merryman family papers consist of land deeds, legal documents, and correspondence spanning 1742-1908 The Crane Family papers consist of correspondence, poetry, prose, and financial documents. The material spans 1821-1908 but mainly dates from 1850-1890.

The collection (1897-1943) consists of three scrapbooks, the subjects of which are the Civil War, Abraham Lincoln and Edgar Allan Poe. The scrapbooks were compiled by Cassandra Moncure Lyne (born 1875) in collaboration with her mother, also named Cassandra Moncure Lyne (1845-1934).

The collection consists of a poem, "Maryland," written by a Mrs. Lawson, most likely during the Civil War. The poem was intended as a satirical response to the pro-Southern lyrics of "Maryland, My Maryland," written by James R. Randall.

G.T. Beauregard (1818 – 1893) was a Confederate general during the American Civil War. Collection consists of one letter, dated November 5, 1873, written to Maryland historian J. Thomas Scharf. Beauregard describes the participation of Maryland troops in the battle of Manassas (also known as the Battle of the 1st Bull Run).

Sarah L. Hawkes (1844-1899) was the daughter of Winslow and Lydia McLellan Hawkes and the grand-daughter of General James McLellan (1777-1854), a prominent Bath, Maine merchant and shipbuilder. The collection consists of a Civil War period autograph album with autographs that span 1860 to 1877.

Sidney Clopton Lanier (1842-1881) was an American musician, poet and author. The collection spans the years 1838 to 1998, with the bulk dating from 1838 to 1972. The material consists of correspondence, prose, poetry, lecture and music manuscripts, photographs, memorial information, and newspaper clippings.