Olmsted, Denison, 1791-1859

Letters on astronomy New York : Harper. 419 pages

Olney, Edward

Elementary geometry2nd ed New York : Sheldon and co., 1885. 333 pages

Olney, Edward

Elements of trigonometry, plane and spherical New York : Sheldon and company, 1884. 88 pages

O'Loughlin, Colm

Irish street ballads / collected and annotated by Colm O'Lochlainn. Adorned with woodcuts from the original broadsheets and with an appreciation by Frank O'Connor.  New York : A Corinth book distributed by Citadel Press, 1960. xvi, 235 pages : illustrations

O'Loughlin, Kathleen Merrick

Llyr Llediaith (Old King Lear) and Lyra (Arthur's harp) (Arthur of the Round table) St. Catherines, Ont., 1955. 19 pages.

O'Loughlin, Kathleen Merrick

Yarmouth stone… St. Catherines, Ont., 1949. 56 pages.

Olson, Arthur Randall, 1952

Spring wildflowers Halifax : Nimbus Publishing and the Nova Scotia Museum, 1993. 138 pages

Olsson, Gunnar

Stora Kopparberg, six hundred years of industrial enterprise Stockholm : Nordisk Rotogravyr, 1951. 82 pages

Olympic Enterprises

Olympic bowling & banquet Halifax : Olympic Enterprises, 1989-.

O'Mahony society

O'Mahony news : newsletter of muintir mhathuna: the o mahony society Canada : the Society, 198- -. 28 cm.

Oman, Charles Chichele

English domestic silver. 3d ed London : A. & C. Black, 1949. 231 pages

Omar Khayyam

Rubaiyat Philadelphia : Henry Altemus. 193 pages

O'Meara, Frederick Augustus

Second report of a mission to the Ottahwas and Ojibwas on Lake Huron / by F. O'Meara.  London : Printed for the Society for the Propagation of the Gospel, 1846. 40 pages; 17 cm.

O'Meara, J E.

Credit unions in Canada, 1947… Ottawa : Dept. of Agriculture, 1948. 10 pages.

Ommundsen, H.

Rifles and ammunition and rifle shooting London : Cassell and co., 1915. 335 pages

O'Mullin, Patrick

Letter to the citizens of Halifax seeking election as mayor 1888. [1] pages

O'Mullin, Patrick

Card, to the citizens of Halifax : having been waited on by a number of the citizens of all creeds and classes, who have been pleased to express themselves satisfied with the manner in which I have discharged the duties ... of mayor of this city .. / Patrick O'Mullin.  Halifax, N.S. : 1888. [1] pages ; 19 cm.

One of the people

An enquiry into the merits of confederation and the duty of the hour / by one of the people.  Halifax : Z.S. Hall, 1867. 19 frames.

Oneida historical society

Transactions…1881- Utica : Ellis H. Roberts, 1881-. nos.

O'Neil, Kevin J.S.

William and Elizabeth (Mahoney) O'Neil (l) and Their Descendants / by Kevin J.S. O'Neil.  Nova Scotia : Kevin J.S. O'Neil, 2013. 311 pages : illustrations (chiefly colour), genealogical tables, maps ; 28 cm.

O'Neil, Kevin

O'Neils-Grosvenor-Mulgrave : census records 1891, 1901 / researched by Kevin O'Neil.  Nova Scotia ; The Author, 1999. 1 v. unpaged; 28 cm.

O'Neil, Pat

A traveller's guide to Cape Breton / Pat O'Neil.  Sydney : Solus Publishing, 1996. 306 pages : illustrations, maps ; 22 cm.

O'Neil, Pat

Explore Cape Breton : a field guide to adventure / Pat O'Neil.  Halifax : Nimbus, 1994. iv, 170 pages : illustrations, maps ; 21 cm.

O'Neill, Anne

Gardens of 18th-century Louisbourg - From Journal of Garden History, vol. 3, no. 3 pages 176-178.

O'Neill, Mora Dianne Guthrie

Vimy Ridge : Artists Document the First World War / essays by Colonel John Boileau (CD retired) and Mora Dianne O'Neill.  Halifax, NS : Art Gallery of Nova Scotia, 2017. 72 pages : illustrations ; 15 cm.