Dale, C.A. 2008. Links between the winter and breeding seasons in a short-distance migrant, the Ipswich Sparrow (Passerculus sandwichensis princeps). MSc Dissertation, Dalhousie University, Halifax, Nova Scotia. Summary

Dwight, J., Jr. 1895. The Ipswich Sparrow (Ammodramus princeps Maynard) and its summer home. Memoirs of the Nuttall Ornithological Club No. 2. Cambridge, Mass. 56 pages.  Extract

Elliot, J.J.  1968. Passerculus princeps (Maynard): Ipswich Sparrow, pp.657-675 in: A.C. Bent (O.L. Austin, ed.). Life Histories of North American Cardinals, Grosbeaks, Buntings, Towhees, Finches, Sparrows, and Allies. Bulletin of the United States National Museum no.237, part 2.

Horn, A.G. & P. Shepherd. 1999. Sable Island tern project: 1998 final report. Unpublished report prepared for Sable Offshore Energy, Inc.

Horn, A.G. 2002. Updated status report on the Ipswich sparrow Passerculus sandwichensis princeps in Canada. Unpublished report prepared for the Canadian Wildlife Service, Atlantic Region, Dartmouth, N.S.

Lock, A.R. 1973. A study of the breeding biology of two species of gulls nesting on Sable Island, Nova Scotia. PhD Thesis, Dalhousie University, Halifax, Nova Scotia.

Lucas, Z. 1997. A Black-tailed Gull on Sable Island, Nova Scotia. Birders Journal 6: 205-207.

McLaren, I.A. 1968. Censuses of the Ipswich Sparrow on Sable Island. Canadian Field-Naturalist 82: 148-150.

McLaren, I.A. 1972. Polygyny as an adaptive function of breeding territory in birds. Trans. Connecticut Academy of Arts and Science 44: 191-210.

McLaren, I.A. 1979. Status report on the Ipswich sparrow Passerculus sandwichensis princeps in Canada. Unpublished report prepared for the Committee on the Status of Endangered Wildlife in Canada.

McLaren, I.A. 1981. The birds of Sable Island. Proceedings of the Nova Scotia Institute of Science 31: 1-84.  Extract

McLaren, I.A. 1981. The incidence of vagrant landbirds on Nova Scotian islands. Auk 98: 243-257.

McLaren, I. & Z. Lucas. 2004. A possible Brown Skua (Catharacta antarctica) on Sable Island, Nova Scotia. North American Birds 58: 622-626. Extract

McLaren, I.A. &  A.G, Horn. 2006. The Ipswich Sparrow: past, present and future.  Birding 38(5): 52-59. Extract

McNeil, R. & J. Burton. 1973. Dispersal of some southbound migrating North American shorebirds away from the Magdalen Islands, Gulf of St. Lawrence and Sable Island, Nova Scotia. Caribbean Journal of Science 13:257-278.

Merriam, C.H. 1884. Breeding of Passerculus princeps on Sable Island. Auk 1: 390.

Miller, E.H. 1977. Breeding biology of the Least Sandpiper, Calidris minutilla (Veil.), on Sable Island, Nova Scotia. PhD Thesis, Dalhousie University, Halifax, N.S.

Miller, E.H. 1978. Egg size in the Least Sandpiper Calidris minutilla on Sable Island, Nova Scotia, Canada. Ornis Scandinavia 10: 10-16.

Miller, E.H. 1979. Function of display flights by males of the Least Sandpiper, Calidris minutilla (Veill.), on Sable Island, Nova Scotia. Canadian Journal of Zoology 57: 876-895.

Miller, E.H. 1979. An approach to the analysis of graded vocalizations of birds. Behavioral and Neural Biology 27: 25-38.

Miller, E.H. 1983. Structure of display flights in the Least Sandpiper. Condor 85: 220-242.

Miller, E.H. 1983. Habitat and breeding cycle of the Least Sandpiper (Calidris minutilla) on Sable Island, Nova Scotia. Canadian Journal of Zoology 61: 2880-2893.

Reid, M.L. 1987. Costliness and reliability in the singing vigour of Ipswich sparrows. Animal Behaviour 35: 1735-1743.

Reid, M.L. & P.J. Weatherhead. 1988. Topographical constraints on competition for territories. Oikos 51: 115-117.

Reid, M.L. & P.J. Weatherhead. 1990. Mate-choice criteria of Ipswich sparrows: the importance of variability. Animal Behaviour 40: 538-544.

Ridgway, R. 1884. The probable breeding place of Passerculus princeps. Auk 1: 292-293

Ross, H.A. 1979. Determinants of fitness in the Ipswich Sparrow. PhD Thesis, Dalhousie University, Halifax, Nova Scotia.

Ross, H.A. 1980. The reproductive rates of yearling and older Ipswich Sparrow, Passerculus sandwichensis princeps. Canadian Journal of Zoology 58: 1557-1563.

Ross, H.A. 1980. Growth of nestling Ipswich Sparrows in relation to season, habitat, brood size and parental age. Auk 97: 721-732.

Ross, H.A. & I.A. McLaren. 1981. Lack of differential survival among young Ipswich Sparrows. Auk 98: 495-502.

Saunders, W.E. 1902. Birds of Sable Island, Nova Scotia. The Ottawa Naturalist 16: 15-31.

Saunders, W.E. 1902. The Ipswich sparrow and its summer home. Auk 19: 267-271.

Smith, S.J., Z. Lucas & W.T. Stobo. 2003. Estimate of the Ipswich Sparrow population on Sable Island, Nova Scotia, in 1998, using a random-transect survey design. Canadian Journal of Zoology 81: 771-779. Abstract

Stobo, W.T. & I.A. McLaren. 1971. Late-winter distribution of Ipswich Sparrow. American Birds 25: 941-944.

Stobo, W.T. 1973. Territoriality and breeding biology of the Ipswich Sparrow (Passerculus princeps). PhD Thesis, Dalhousie University, Halifax, Nova Scotia. 115 pages.

Stobo, W.T. & I.A. McLaren. 1975. The Ipswich Sparrow. Proceedings of the Nova Scotia Institute of Science 27, Supplement 2, 105 pages. Extract

Temple, M. 2000. Microsatellite analysis of extra-pair fertilization in the Ipswich sparrow (Passerculus sandwichensis princeps). Unpublished MSc thesis, Dalhousie University, Halifax, Nova Scotia.