#### Volume 9, issue 1 (2009)

 1 R G Burns, On the intersection of finitely generated subgroups of a free group., Math. Z. 119 (1971) 121 MR0279166 2 M Culler, P B Shalen, $4$–free groups and hyperbolic geometry arXiv:0806.1188 3 W Dicks, Equivalence of the strengthened Hanna Neumann conjecture and the amalgamated graph conjecture, Invent. Math. 117 (1994) 373 MR1283723 4 S M Gersten, Intersections of finitely generated subgroups of free groups and resolutions of graphs, Invent. Math. 71 (1983) 567 MR695907 5 W Imrich, T Müller, On Howson's theorem, Arch. Math. $($Basel$)$ 62 (1994) 193 MR1259832 6 L Louder, Private communication 7 L Louder, Krull dimension for limit groups I: Bounding strict resolutions arXiv:math/0702115 8 L Louder, Krull dimension for limit groups II: Aligning JSJ decompositions arXiv:0805.1935 9 L Louder, Krull dimension for limit groups III: Scott complexity and adjoining roots to finitely generated groups arXiv:math.GR/0612222 10 L Louder, Krull dimension for limit groups IV: Adjoining roots arXiv:0812.1816 11 L Louder, D B McReynolds, Graphs of subgroups of free groups, Alg. Geom. Topol. 9 (2009) 327 12 H Neumann, On the intersection of finitely generated free groups, Publ. Math. Debrecen 4 (1956) 186 MR0078992 13 H Neumann, On the intersection of finitely generated free groups. Addendum, Publ. Math. Debrecen 5 (1957) 128 MR0093537 14 W D Neumann, On intersections of finitely generated subgroups of free groups, from: "Groups—Canberra 1989" (editor L G Kovács), Lecture Notes in Math. 1456, Springer (1990) 161 MR1092229 15 P Nickolas, Intersections of finitely generated free groups, Bull. Austral. Math. Soc. 31 (1985) 339 MR801592 16 B Servatius, A short proof of a theorem of Burns, Math. Z. 184 (1983) 133 MR711734 17 J R Stallings, Topology of finite graphs, Invent. Math. 71 (1983) 551 MR695906