P. Howard's articles:
| Title |
| [1992], Russell's alternative to the axiom of choice, Howard-Brunner-1992 |
| [1995a], Elementary Abelian $p$-groups revisited, Howard-Rubin-1995a |
| [1973], The relationship between two weak forms of the axiom of choice, Howard-Rubin-Rubin-1973 |
| [1998b], Disjoint unions of topological spaces and choice, Howard-Rubin-Keremedis-Rubin-1998b |
| [1996], The Boolean prime ideal theorem plus countable choice do not imply dependent choice, Howard-Rubin-1996 |
| [1994], Unions of well-ordered sets, Howard-1994 |
| [1997], Kinna-Wagner selection principles, axioms of choice, and multiple choice, Howard-Rubin-Rubin-1997 |
| [1987], Maximal p-subgroups and the axiom of choice, Howard-Yorke-1987 |
| [1998a], Disjoint unions of topological spaces and choice, Howard-Keremedis-Rubin-1998a |
| [1997], Choice principles in Wc eglorz' models, Howard-Rubin-Brunner-1997 |
| [1976], Factorials of infinite cardinals, Dawson-Howard-1976 |
| [2001], Products of compact spaces and the axiom of choice, Hall-Howard-Rubin-De la Cruz-Keremedis-2001 |
| [2002], Products of compact spaces and the axiom of choice II , Hall-Howard-Rubin-De la Cruz-Keremedis-2002 |
| [1974], Cardinal addition and the axiom of choice, Howard-Halpern-1974 |
| [1976], The law of infinite cardinal addition is weaker than the axiom of choice, Howard-Halpern-1976 |
| [1981], "Representing multi-algebras by algebras, the axiom of choice and the axiom of dependent choice", Howard-Hoft-1981 |
| [1984a], Binary consistent choice on pairs and a generalization of Konig's infinity lemma, Howard-1984a |
| [1977], The axiom of choice and linearly ordered sets, Howard-Rubin-1977 |
| [1989], Definitions of finite, Howard-Yorke-1989 |
| [1973], Limitations on the Fraenkel-Mostowski method of independence proofs, Howard-1973 |
| [1990], Definitions of compact, Howard-1990 |
| [1995b], The axiom of choice for well ordered families and for families of well-orderable sets, Howard-Rubin-1995b |
| [1993], Variations of Rado's lemma, Howard-1993 |
| [2000b], Compactness in countable Tychonoff products and choice, Howard-Rubin-Stanley-Keremedis-2000b |
| [2001], Non-constructive properties of the real numbers, Howard-Rubin-Stanley-Tachtsis-Keremedis-2001 |
| [1999], Von Rimsha's transitivity conditions, Howard-Rubin-Stanley-1999 |
| [1994], Well ordered subsets of linearly ordered sets, Howard-Hoft-1994 |
| [1993], The strength of the $Delta$-system lemma, Howard-Solski-1993 |
| [1975], L os theorem and the Boolean prime ideal theorem imply the axiom of choice, Howard-1975 |
| [1984b], Rado's selection lemma does not imply the Boolean prime ideal theorem, Howard-1984b |
| [1987], The existence of level sets in a free group implies the axiom of choice, Howard-1987 |
| [1970], Cardinals \(m\) such that \(2m = m\), Howard-Halpern-1970 |
| [2002], Definitions of compactness and the axiom of choice, Hall-Howard-Rubin-Stanley-De la Cruz-2002 |
| [1992], The axiom of choice for countable sets of countable sets does not imply the countable union theorem, Howard-1992 |
| [1985], Subgroups of a free group and the axiom of choice, Howard-1985 |
| [1978], Independence results for class forms of the axiom of choice, Howard-Rubin-Rubin-1978 |
| [1998a], Versions of normality and some weak forms of the axiom of choice, Howard-Rubin-Keremedis-Rubin-1998a |
| [2000a], Paracompactness of metric spaces and the axiom of choice, Howard-Rubin-Stanley-Keremedis-2000a |
| [2002A], Metric spaces and the axiom of choice, De-la-Cruz-Hall-Howard-Keremedis-Rubin-2002A |
| [2002B], Unions and the axiom of choice, De-la-Cruz-Hall-Howard-Keremedis-Rubin-2002B |
P. Howard excerpts: