Five manuscripts. Hundreds of recipes. What was lost.

Almost every cocktail you can order in a craft bar today traces back to one of five books. They were published between 1862 and 1917. The men who wrote them were working bartenders, not historians. They wrote down what they served, in shorthand, often without measurements, sometimes without spellings that would help you find the bottle today. Together those five volumes are the foundation of American mixology. Free PDF inside: The Lost Cocktail Codex, 50 hand-transcribed recipes from these exact manuscripts, no card.

This piece is a tour of the five. What each one contains, why it matters, and what specifically got lost when Prohibition shut the bars in January 1920. The figures are Jerry Thomas, Harry Johnson, Leo Engel, William Boothby, and Hugo Ensslin. Get those five names and the dates straight and you can read pretty much any cocktail history that follows.

1. Jerry Thomas, How to Mix Drinks, or The Bon Vivant's Companion (1862)

The first cocktail book published in English, and the foundation document for the entire profession. Jerry Thomas was the most famous bartender in mid-19th-century America. He worked the Occidental Hotel in San Francisco, the Metropolitan Hotel in New York, and various stops in between, and his showmanship (the flaming Blue Blazer, poured in a long arc between two metal mugs) helped turn bartending from a trade into a public craft.

The 1862 edition contains around 250 recipes, organized by category: punches, juleps, smashes, fixes, sours, slings, fizzes, sangarees, toddies, sangrees, cobblers, eggnogs, mulled drinks, and a small section labeled simply "cocktails." The book was revised and expanded in 1876 and again in 1887, growing each time. Deep dive on the 1862 edition here.

What makes Thomas the foundation is that nearly every category that survives in modern bartending is in this book. The cocktail as a category gets its first published definition in his pages. Modifications and developments after 1862 are footnotes to his framework.

2. Harry Johnson, The Bartenders' Manual (first edition 1882, expanded 1888)

Harry Johnson was a contemporary and rival of Thomas, and his book is the more practical of the two. Where Thomas wrote with theatricality, Johnson wrote with operational precision. His 1882 manual reads like a bar-management handbook: how to set up the bar, how to clean glassware, how to manage staff, how to stock, with the recipes treated as a working appendix rather than the headline.

Johnson's contribution to history includes the first published recipe for the Martini, which he printed as the "Martine" in 1888. His version uses sweet vermouth, gum syrup, bitters, and Old Tom gin, in proportions closer to a Martinez than the modern dry martini. The drift from Johnson's "Martine" to the modern bone-dry version is a microhistory of a hundred years of cocktail evolution in one drink.

The 1888 expanded edition is the version most cited today. It contains around 240 recipes and a great deal of period business advice that historians use to reconstruct what an 1880s bar actually looked like.

3. Leo Engel, American & Other Drinks (1878)

Engel ran the bar at the Criterion in London, and his slim volume is the bridge between Thomas's American canon and the European bar tradition. American & Other Drinks (sometimes published as American & Other Iced Drinks) is the earliest published treatment of American-style cocktail recipes for a British audience.

The book is small, the recipes are tight, and Engel's prose is dry in a way that feels almost modern. He included punches, cobblers, juleps, and the early form of cocktails that the British called "American drinks." For historians of how the cocktail crossed the Atlantic, Engel is the documentary evidence. Without him, you can argue that British cocktail culture started with Harry Craddock at the Savoy in the 1920s. With Engel, the line goes back to the 1870s.

The Engel volume is the rarest of the five and the hardest to source clean. Original copies are in major academic libraries; Google Books has a public-domain scan that drinkers actually use.

4. William "Cocktail Bill" Boothby, The World's Drinks and How to Mix Them (1908)

Boothby was the head bartender at the Palace Hotel in San Francisco. He published The World's Drinks and How to Mix Them in 1908, and a revised World Drinks and How to Mix Them followed in later editions. His book is the most ambitious of the five in scope, claiming a global perspective with hundreds of recipes drawn from his network of fellow bartenders across the United States, the British Isles, the Caribbean, and continental Europe.

Boothby's distinct contribution is the documentation of regional American specialties that were not in Thomas or Johnson. The Saratoga Brace Up. The Tomahawk Cooler. Variations on the Manhattan that diverge from the New York standard. He acted as a clearinghouse for what was actually being served in the larger American hotel bars at the turn of the century, which makes his book the best single source for "what was the working cocktail repertoire in 1908."

The Palace Hotel survived the 1906 San Francisco earthquake by virtue of being rebuilt; Boothby's first edition was published from inside that rebuilt context, which gives the book a particular grounded sense of a working bar that came back from disaster.

5. Hugo Ensslin, Recipes for Mixed Drinks (1916, expanded 1917)

The last great pre-Prohibition manuscript. Hugo Ensslin was the bartender at the Hotel Wallick in Times Square, and his 1916 book (with an expanded 1917 edition) is the one that captures the cocktail at its peak right before the legal hammer fell. Deep dive on Ensslin here.

Ensslin is the original published source for the Aviation, in its original form: gin, lemon juice, maraschino liqueur, and creme de violette. The de violette gives the drink the pale-blue tint and the floral note that the famous name implies (it was supposed to look like the sky). The drink showed up in Harry Craddock's The Savoy Cocktail Book in 1930 with the de violette omitted, possibly because the liqueur was hard to source after Prohibition. The truncated version became the standard until the early 2000s, when craft bars rediscovered Ensslin's original.

The 1917 edition contains around 400 recipes and is the most modern-feeling of the five. The proportions are closer to what working bartenders use today, the technique notes are clearer, and the drink categories are organized in a way a 21st-century reader can navigate without translation.

What Prohibition cost

Prohibition took effect in January 1920 and lasted until December 1933. Almost fourteen years of legal abstinence. The cost to the cocktail tradition was not the loss of the books, which survived in libraries. It was the loss of the apprentices. American bartending was a master-and-apprentice tradition, and the chain of teaching broke. Bartenders left the country (many to London, Paris, Cuba, Germany), changed professions, or died. When repeal came in 1933 the people who had worked under Thomas, Johnson, and Boothby were either gone or no longer working.

The recipes you can read in any of these books today; the techniques you can reconstruct. What was lost is the muscle memory of how a 1908 Saratoga Brace Up actually felt to drink at the Palace Hotel, made by a man who had served it five thousand times. You can recover the recipe; you cannot recover the bartender.

The craft cocktail revival of the late 1990s and 2000s, led by Dale DeGroff, Audrey Saunders, Sasha Petraske, and others, was largely a project of going back to these five manuscripts and reading them as primary sources. The drinks in your local craft bar, if it is a good one, are not new inventions. They are translations.

Three drinks worth ordering or making tonight

The cocktail did not begin in 1862. It was first written down in 1862. The two are different things.

Where to read more

• A reference page on all five manuscripts.
• Deep dive on Jerry Thomas's 1862 manuscript.
• Deep dive on Ensslin and the original Aviation.
• What the bartenders of 1860 to 1920 were actually drinking.