Related Clues:

• Aid consideration
• If ___ (when necessary)
• Shortage of nitrogen up-river
• Lack, on the one hand, all the conclusions
• Frenzy's essential
• Born in Paris, died in penury
• Want to work with the hands, say
• They say massage is essential
• Something one has to have
• Mould upsets elephants
• Have to, when defining frenzy in elephants
• It's a necessity to want to exist
• Work with fingers said to be requirement
• Highly desirable female smell, rising, captivates virtuous man
• Died — to have been born first is a requirement