1. Decompostions of 𝐸³ with a compact 𝑂-dimensional set of nondegenerate elements;Armentrout, Steve;Trans. Amer. Math. Soc.,1966
2. A reduction of the Schoenflies extension problem;Morse, Marston;Bull. Amer. Math. Soc.,1960
3. Deformations of spaces of imbeddings;Edwards, Robert D.;Ann. of Math. (2),1971
4. An arc in a 𝑃𝐿 𝑛-manifold with no neighborhood that embeds in 𝑆ⁿ,𝑛≥4;McMillan, D. R., Jr.;Michigan Math. J.,1978
5. A criterion for cellularity in a manifold. II;McMillan, D. R., Jr.;Trans. Amer. Math. Soc.,1967