1 [The Nature of Mathematics]
2 The Regenerated Logic
3 The Logic of Mathematics in Relation to Education
4 The Simplest Mathematics
5 The Essence of Reasoning
6 New Elements of Geometry
7 On the Logic of Quantity
8 Sketch of Dichotomic Mathematics
9 [Pragmatism and Mathematics]
10 Prolegomena to an Apology for Pragmaticism
11 [‘Collection’ in The Century Dictionary]
12 [On Collections and Substantive Possibility]
13 [The Ontology of Collections]
14 The Logic of Quantity
15 Recreations in Reasoning
16 Topical Geometry
17 A Geometrico-Logical Discussion
18 [‘Continuity’ in The Century Dictionary]
19 The Law of Mind
20 [Scientific Fallibilism]
21 On Quantity [The Continuity of Time and Space]
22 Detached Ideas Continued and the Dispute between Nominalists and Realists
23 The Logic of Continuity
24 [On Multitudes]
25 Infinitesimals
26 The Bed-Rock beneath Pragmaticism
27 [Note and Addendum on Continuity]
28 Addition [on Continuity]
29 Supplement [on Continuity]