The Haiku Foundation, The Haiku Society of America, and The British Haiku Society are all reputable online resources for haiku poetry, offering a wealth of information, resources, and community engagement.

Frogpond is the annual haiku journal published by The Haiku Foundation, featuring a selection of the best haiku poems submitted by poets from around the world.

The Haiku Anthology, edited by Cor van den Heuvel, is a comprehensive collection of haiku poems from around the world, spanning various eras and cultures.

Haiku Journal is an online haiku magazine founded by Lee Gurga, featuring haiku poems, essays, reviews, and interviews with haiku poets.

Matsuo Bashō, by Makoto Ueda, is a comprehensive study of the life and work of the renowned haiku poet, exploring his aesthetics, techniques, and influence on haiku poetry.

The Haiku Foundation Annual Haiku Contest is a prestigious haiku contest organized by The Haiku Foundation, open to haiku poets from around the world.

The History of Haiku, by David Cobb, provides a comprehensive overview of the development of haiku poetry from its origins in Japan to its global reach.

The Haiku Poets Society of North America, founded by Jim Kacian, is an online community dedicated to promoting haiku poetry and fostering connections among haiku poets.

Writing and Enjoying Haiku, by Jane Reichhold, offers practical guidance and insights into the art of writing haiku poems, suitable for both aspiring and experienced poets.

The Matsuyama Haiku Festival is an annual event held in Matsuyama, Japan, celebrating the city's rich haiku heritage and featuring haiku readings, workshops, and exhibitions.

The Essential Haiku, edited by Robert Hass, is a collection of classic and contemporary haiku poems, offering a comprehensive introduction to the genre and its enduring appeal.

Modern Haiku is an online haiku journal founded by Michael Dylan Welch, featuring haiku poems, essays, reviews, and interviews with haiku poets.

The Practice of the Wild, by Gary Snyder, explores the relationship between haiku poetry and the natural world, offering insights into the poetics and philosophy of haiku.

The British Haiku Society Annual Haiku Contest is a prestigious haiku contest organized by The British Haiku Society, open to haiku poets from around the world.

Haiku in English, by Harold G. Henderson, provides a critical examination of the development of haiku poetry in the English language, exploring its unique challenges and achievements.