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Sources

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Appendices

Sources

Before you quote this book to a customer, check the source: here are all 119 it links, by chapter, each with the tier that says how far to trust it. Each source is listed once, under the chapter that first cites it, in the order the book cites them. An entry gives the title in its original language, the publisher or author, the publication date where known, and the tier that chapter gives it, as defined in How to Use This Book: How the evidence is graded. The tier belongs to the claim the book cites the source for, not to the publisher, so a source cited again later may carry a different tier there. "Tier not stated" means the chapter gives none; it is not a verdict on quality. Pages change and job posts close: every link was accessed in October 2026, and an undated page is cited as it stood then.

Tier
What it means
The book's example
T1
Measured, primary and independent of the vendor.
The Markup's test of New York City's MyCity chatbot (F.1).
T2
Measured and primary, but reported by the vendor or the customer itself.
Palantir's 2020 S-1 filing (F.1).
T3
Secondary reporting: a journalist or analyst relaying what someone else measured or said.
The Register on NHS trusts' use of the Federated Data Platform (F.1).
T4
Anecdote, opinion or a job post. A vendor's advice, doctrine, stated targets or opinion are T4, not T2. A job post is T4 for how the work is done and primary evidence of what employers ask for.
OpenAI's FDE posting (F.1).
F.1

How to Use This Book

The 10 sources first cited in How to Use This Book, in order of citation.

F.2

What an FDE Is, and Isn't

The 14 sources first cited in What an FDE Is, and Isn't, in order of citation.

F.3

Origins and Economics

The 10 sources first cited in Origins and Economics, in order of citation.

F.4

The Skill Map

The 4 sources first cited in The Skill Map, in order of citation.

F.5

Before the Engagement

The 11 sources first cited in Before the Engagement, in order of citation.

F.6

Discovery

The 6 sources first cited in Discovery, in order of citation.

F.7

Scoping and the First Win

The 5 sources first cited in Scoping and the First Win, in order of citation.

F.8

Data Access and Integration

The 3 sources first cited in Data Access and Integration, in order of citation.

F.9

Security, Governance and Model Risk

The 14 sources first cited in Security, Governance and Model Risk, in order of citation.

F.10

Evals: Proving It Works

The 7 sources first cited in Evals: Proving It Works, in order of citation.

F.11

Building in Their Environment

The 4 sources first cited in Building in Their Environment, in order of citation.

F.12

Production and Handoff

Production and Handoff cites no external source that an earlier chapter has not already cited; its sources are listed above, under the chapters that first cite them.

F.13

Feeding the Product

The 4 sources first cited in Feeding the Product, in order of citation.

F.14

When Engagements Fail

The 6 sources first cited in When Engagements Fail, in order of citation.

F.15

Judgment Under Pressure

The 1 source first cited in Judgment Under Pressure, in order of citation.

F.16

Where FDEs Work

The 5 sources first cited in Where FDEs Work, in order of citation.

F.17

Getting Hired

The 7 sources first cited in Getting Hired, in order of citation.

F.18

Leading FDEs

The 2 sources first cited in Leading FDEs, in order of citation.

F.19

Levels, Burnout and What Comes Next

The 6 sources first cited in Levels, Burnout and What Comes Next, in order of citation.

What to do.

  • Before you repeat a figure from this book to a customer, open its source here and read the tier beside it. Quote a T2 as the vendor's own account and a T4 as advice or opinion, never as a result.
  • When several sources below give the same number, check whether they trace back to one origin. An echo counted many times is still one source; How to Use This Book shows two.
  • Recheck job posts and dated facts before you rely on them. Posts close and bands move; the date beside each entry tells you how old it is.