Editing Enneads (section)

==Table of contents==
The names of treatises may differ according to translation. The numbers in square brackets before the individual works refer to the chronological order they were written according to Porphyry's ''Life of Plotinus''.

=== ''First Ennead'' ===
* I.1 [53] - "What is the Living Being and What is Man?"
* I.2 [19] - "On Virtue"
* I.3 [20] - "On Dialectic [The Upward Way]."
* I.4 [46] - "On True Happiness (Well Being)"
* I.5 [36] - "On Whether Happiness (Well Being) Increases with Time."
* I.6 [1]  - "On Beauty"
* I.7 [54] - "On the Primal Good and Secondary Forms of Good [Otherwise, 'On Happiness']"
* I.8 [51] - "On the Nature and Source of Evil"
* I.9 [16] - "On Dismissal"

=== ''Second Ennead'' ===
* II.1 [40] - "On Heaven"
* II.2 [14] - "On the Movement of Heaven"
* II.3 [52] - "Whether the Stars are Causes"
* II.4 [12] - "On Matter"
* II.5 [25] - "On [[potentiality and actuality|Potentiality and Actuality]]"
* II.6 [17] - "On Quality or on Substance"
* II.7 [37] - "On Complete Transfusion"
* II.8 [35] - "On Sight or on How Distant Objects Appear Small"
* II.9 [33] - "Against Those That Affirm The Creator of the Cosmos and the Cosmos Itself to be Evil" [generally quoted as "Against the Gnostics"]

=== ''Third Ennead'' ===
* III.1 [3] - "On Fate"
* III.2 [47] - "On Providence (1)."
* III.3 [48] - "On Providence (2)."
* III.4 [15] - "On our Allotted Guardian Spirit"
* III.5 [50] - "On Love"
* III.6 [26] - "On the Impassivity of the Unembodied"
* III.7 [45] - "On [[Eternity]] and Time"
* III.8 [30] - "On Nature, Contemplation and the One"
* III.9 [13] - "Detached Considerations"

=== ''Fourth Ennead'' ===
* IV.1 [21] - "On the Essence of the Soul (1)"
* IV.2 [4] - "On the Essence of the Soul (2)"
* IV.3 [27] - "On Problems of the Soul (1)"
* IV.4 [28] - "On Problems of the Soul (2)"
* IV.5 [29] - "On Problems of the Soul (3)” [Also known as "On Sight"].
* IV.6 [41] - "On Sense-Perception and Memory"
* IV.7 [2] - "On the Immortality of the Soul"
* IV.8 [6] - "On the Soul's Descent into Body"
* IV.9 [8] - "Are All Souls One"

=== ''Fifth Ennead'' ===
* V.1 [10] - "On the Three Primary [[Hypostasis (philosophy and religion)|Hypostases]]" 
* V.2 [11] - "On the Origin and Order of the Beings following after the First"
* V.3 [49] - "On the Knowing Hypostases and That Which is Beyond"
* V.4 [7] - "How That Which is After the First Comes from the First, and on the One."
* V.5 [32] - "That the Intellectual Beings are not Outside the Intellect, and on the Good"
* V.6 [24] - "On the Fact that That Which is Beyond Being Does not Think, and on What is the Primary and the Secondary Thinking Principle"
* V.7 [18] - "On Whether There are Ideas of Particular Beings"
* V.8 [31] - "On the Intellectual Beauty"
* V.9 [5] - "On Intellect, the Forms, and Being"

=== ''Sixth Ennead'' ===
* VI.1 [42] - "On the Kinds of Being (1)"
* VI.2 [43] - "On the Kinds of Being (2)"
* VI.3 [44] - "On the Kinds of Being (3)"
* VI.4 [22] - "On the Presence of Being, One and the Same, Everywhere as a Whole (1)"
* VI.5 [23] - "On the Presence of Being, One and the Same, Everywhere as a Whole (2)"
* VI.6 [34] - "On Numbers"
* VI.7 [38] - "How the Multiplicity of Forms Came Into Being, and on the Good"
* VI.8 [39] - "On Free Will and the Will of the One"
* VI.9 [9] - "On the Good, or the One"

===Plotinus's original chronological order===
The chronological listing is given by Porphyry (''Life of Plotinus'' 4–6). The first 21 treatises (through IV.1) had already been written when Porphyry met Plotinus, so they were not necessarily written in the order shown.
* '''I'''.6,  '''IV'''.7,  '''III'''.1,  '''IV'''.2,  '''V'''.9,  '''IV'''.8,  '''V'''.4,  '''IV'''.9,  '''VI'''.9
* '''V'''.1,  '''V'''.2,  '''II'''.4,  '''III'''.9,  '''II'''.2,  '''III'''.4,  '''I'''.9,  '''II'''.6,  '''V'''.7
* '''I'''.2,  '''I'''.3,  '''IV'''.1,  '''VI'''.4,  '''VI'''.5,  '''V'''.6,  '''II'''.5,  '''III'''.6,  '''IV'''.3
* '''IV'''.4,  '''IV'''.5,  '''III'''.8,  '''V'''.8,  '''V'''.5,  '''II'''.9,  '''VI'''.6,  '''II'''.8,  '''I'''.5
* '''II'''.7,  '''VI'''.7,  '''VI'''.8,  '''II'''.1,  '''IV'''.6,  '''VI'''.1,  '''VI'''.2,  '''VI'''.3,  '''III'''.7
* '''I'''.4,  '''III'''.2,  '''III'''.3,  '''V'''.3,  '''III'''.5,  '''I'''.8,  '''II'''.3,  '''I'''.1, '''I'''.7

In table format, the chronological order of Porphyry corresponding each of the Ennead treatises is:<ref name="Gerson Enneads">{{cite book|editor-last=Gerson|editor-first=Lloyd P.|editor-link=Lloyd P. Gerson|title=The Enneads|publisher=Cambridge University Press|publication-place=Cambridge|year=2018|isbn=978-1-107-00177-0|oclc=993492241}}</ref>

{| class="wikitable sortable"
! Chronological order !! Ennead treatise
|-
| 1 || 1.6
|-
| 2 || 4.7
|-
| 3 || 3.1
|-
| 4 || 4.2
|-
| 5 || 5.9
|-
| 6 || 4.8
|-
| 7 || 5.4
|-
| 8 || 4.9
|-
| 9 || 6.9
|-
| 10 || 5.1
|-
| 11 || 5.2
|-
| 12 || 2.4
|-
| 13 || 3.9
|-
| 14 || 2.2
|-
| 15 || 3.4
|-
| 16 || 1.9
|-
| 17 || 2.6
|-
| 18 || 5.7
|-
| 19 || 1.2
|-
| 20 || 1.3
|-
| 21 || 4.1
|-
| 22 || 6.4
|-
| 23 || 6.5
|-
| 24 || 5.6
|-
| 25 || 2.5
|-
| 26 || 3.6
|-
| 27 || 4.3
|-
| 28 || 4.4
|-
| 29 || 4.5
|-
| 30 || 3.8
|-
| 31 || 5.8
|-
| 32 || 5.5
|-
| 33 || 2.9
|-
| 34 || 6.6
|-
| 35 || 2.8
|-
| 36 || 1.5
|-
| 37 || 2.7
|-
| 38 || 6.7
|-
| 39 || 6.8
|-
| 40 || 2.1
|-
| 41 || 4.6
|-
| 42 || 6.1
|-
| 43 || 6.2
|-
| 44 || 6.3
|-
| 45 || 3.7
|-
| 46 || 1.4
|-
| 47 || 3.2
|-
| 48 || 3.3
|-
| 49 || 5.3
|-
| 50 || 3.5
|-
| 51 || 1.8
|-
| 52 || 2.3
|-
| 53 || 1.1
|-
| 54 || 1.7
|}