1. Sunlight to inner course. Lattitude 53' 33" N. (sheet 1) n.d. H.L.S.
2. Sunlight to inner course. Lattitude 53' 33" N. (sheet 1) n.d. H.L.S.
3. Sunlight in outer course. Lattitude 53' 33" N. (sheet 1) n.d. Horace L. Seymour, Town planner For legend & notes see sheet 1 of Sunlight in Inner Courts
4. Sunlight curves for the City of Edmonton. Latitude 53' 33" N. n.d. Horace L. Seymour, Town planner
5. [Sunlight curves for the cities of Montreal and Toronto] n.d.
6. Town of Beverley [Saskatckewan]. Map showing town planning proposals 1932 Horace L. Seymour, Town planner
7. Town of Beverley [Saskatchewan]. Map No. 1 showing vacant or undeveloped land n.d. Horace L. Seymour, Town planner
8. Town of Beverley [Saskatckewan]. Map No. 2 showing buildings & uses of property n.d. Horace L. Seymour, Town planner
9. Town of Beverley [Saskatckewan]. Map No. 3 showing assessed value of lands n.d. Horace L. Seymour, Town planner
10. Town of Beverley [Saskatckewan]. Map No. 4 showing contours & other topography n.d. Horace L. Seymour, Town planner
11. Study for Corner Cutting n.d.
12. Housing development, Ottawa. Location C 1935 Burritt & Horwood, architects, Ottawa. Horace L. Seymour, Town planner
13. Housing development, Ottawa, Ont. n.d. Burritt & Horwood, architects, Ottawa. Horace L. Seymour, Town planner
14. [Unidentified apartment building] - Site plan n.d. Clarence J. Burrritt, architect, Ottawa
15. [Unidentified apartment building] - Elevations n.d. Clarence J. Burrritt, architect, Ottawa
16. [Unidentified apartment building] - Floor plans n.d. Clarence J. Burrritt, architect, Ottawa
17. Landscape design for Mr. & Mrs. T.S. Heaslip, 68 Kenora St. Ottawa, Ont. Planting Key n.d. Costs written in pencil
18. Foundation planting details for typical houses n.d.
19. A suggested Park Design for Camrose Alta. n.d. J.U. Rule
20. A study. The Trans Canada Highway through Ottawa n.d.
21. Key map, University of Toronto. Extension Course in planning and housing. Study by Committee on Projects, Ottawa, Jan. 1938 1938 [signed] E. Viens, Chairman, Horace J. Seymour Instructor. C.E. of University of Toronto
22. Saint John New Brunswick. Major Streets, Parkways & Zoning Study 1936
23. Typical pool Layout n.d. Horace L. Seymour, landscape engineer, Edmonton, Alberta
24. Landscape design for Captain and Mrs. G.W.F. Hodgins, Lots 20 and 21 Kingsview Park n.d.
25. [Landscape design for Captain and Mrs. G.W.F. Hodgins, Lots 20 and 21 Kingsview Park] n.d.
26--31. [Elevations and floor plans of unidentified houses] n.d. Burritt & Horwood, architects, Ottawa.
32. Plan for landscape purposes of Benzolene Service Station. Corner Main and Montcalm Streets, Hull n.d.
33. Plan of proposed Garden for residence of C.H. Bland, Esq. 131 Sunnyside avecnue 1933 Horace L. Seymour, landscape engineer, Ottawa, Ontario
34. Land titles 2804 A.F. Surveys plan #1673. St George's Crescent [Ottawa] n.d.
35. Larder Lake. Plan showing proposed subdivision and scheme of development in mining Claims L44388, L11776, Township of McVittie, Northern Ontario n.d.