Susan's Room: Vocal Workout  
   A song based method for developing the singing voice. For all contemporary singers, beginners to advanced.
   http://www.songwriter.com/susan/workout.html

Anyone Can Sing  
   The vocal instructor Audrey Hunt offers some instructional cassettes and CDs.
   http://www.singtome.com/

Mike Campbell  
   He offers some instructional videos and the sightsinging book for all singers.
   http://members.aol.com/mcampbell4/

Singing For a Living  
   Description and ordering information of this package (book, CD, and video) by Marta Woodhul.
   http://www.singingforaliving.com/

Learn To Sing Like a Star  
   Description, reviews, and order form for this training CD created by Ava Tracht Landman.
   http://www.learntosing.biz/

Yodeling Instructional Video  
   How to find your natural yodel voice break. By Rusty Hudelson and Tania Moody.
   http://www.yodelers.com/

Sing Your Life  
   It offers a self-teaching manual emphasizing vocal strength and endurance.
   http://www.singyourlife.com/

Jean-Claude Marion  
   He offers two books about singing technique an a tape with vocal exercises.
   http://www.jcmarion.com/

Lisa Popeil - The Total Singer  
   She offers a video course for all styles and levels.
   http://www.popeil.com/

Bobbie Deville's Vocal Method  
   Specializing in voice lessons on cassette tape/CD with accompanying manual. Also offers performance instruction for stage and studio, and a songwriting critique service.
   http://www.vocalmethod.com/

Course in Reading Choral Music  
   Description of this course written by Edward B. Cannan.
   http://choralmusicreading.8k.com/

Jazz Vocal Techniques  
   Description of this book written by pianist, vocalist and educationist Anne Farnsworth.
   http://www.jazzmediapress.com/

Hammond Music Service  
   Offers CDs and tapes from a system to help choir members to learn a specific part of choral music.
   http://www.songlearning.com/

Let's Sing It Right  
   Vocal instructor Muriel Brown Older introduces her video on the basics of good singing.
   http://videosing.com/

Music Visions International Inc.  
   It offers a book and a CD by Miriam J. Arman.
   http://www.nvo.com/greatvoice

Singing Voice Lessons  
   Lessons on CD. Audio demonstration.
   http://www.singingvoicelessons.com

Affordable Singing Lessons  
   Description, samples, and order information for this booklet and audio CD.
   http://www.AffordableSingingLessons.com/

You Can Sing With Impact  
   Description and order form for this instructional package.
   http://www.youcansingwithimpact.com/

Ultimate Voice Training  
   Billy Purnell's home study program available for sale on cassette tapes.
   http://voicetraining.com/study.htm

JustEnough: Vocals  
   Learn to sing using teen taught multimedia: video, workbook, CD, and CD-ROM.
   http://www.justenough.net/kits/vocals/

Universal Class: Introduction To Singing  
   Description and enrollment information about this online course by Kristen Widenmaier.
   http://class.universalclass.com/chash/v/o/i/voice.htm