Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Folded card in the shape of a Star of David from a student at Fountain Valley School in Colorado Springs, Co. Card reads: "Dear members of Tree of Life Synagogue, I am an international student from Japan. I heard sad news at October 27th. I feel so sorry for that. Stay strong, I stand with you. Shalom." Illustrated with a Star of David and Japanese flag lower center.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Summary: Pittsburgh Post-Gazette Editorial Board editorial calling for community in the aftermath of the October 27 attack. Compares attack to other recent local tragedies, including the shooting of three Pittsburgh Police officers in Stanton Heights in 2009 and the Flight 93 crash in Somerset County on Sept. 11, 2001.

Handmade card in watercolor, marker, and ink on paper. The card features a quote from 1 Corinthians 12:12 on the front. It is signed on the back: "With love, Katie and Meagan and Mark."

Summary: WESA report from havdalah vigil on the corner of Forbes and Murray avenues in Squirrel Hill on the evening of the October 27 attack. Includes comments from State Rep. Dan Frankel.

Envelope and card from administrators and affiliated staff at The Center for Global Understanding and Peacemaking at Elizabethtown College. Envelope is inscribed: "Tree of Life" and illustrated with a Star of David and heart. Card features an illustration of peacock feathers on the front. Card reads: "Elizabethtown College's Center for Global Understanding and Peacemaking shares our concerns and prayers for your community at this most difficult time.

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside contains messages of support and divine love. The church's contact information is included on the back of the envelope.

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover contains the following quote attributed to O.G. Mandino: "Failure will never overtake me if my determination to succeed is strong enough." Illustrated with the image of two stick figures, labeled "strength" and "failure" respectively standing on either side of a wall. The inside reads: "Dear Congregation of the Tree of Life, I am sorry for what happened and I hope everything gets better.

Wooden pedestal painted white with white Star of David and red heart affixed to front. Handwritten in pencil and black marker on the Star of David is the name "Jerry Rabinowitz." (The name is misspelled as "Terry Rabinowitz.) Collaged onto the heart are white pieces of paper and a translation of Psalm 34:18: "The Lord is close to the broken hearted and saves those who are crushed in spirit." Accompanying image shows all 11 Stars of David in the series.

Single page, folded. Cover features illustration of sanctuary addition of New Light Congregation synagogue. Interior includes text of invitation in cursive font.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Post-it note with handwritten message in black marker. The message reads: "You are stronger than hate." Tape across the upper corners. Tearing due to exposure to the elements at the Wilkins memorial.

Handmade booklet with blue paper on the cover, pink cover on the back, and three pages of white paper inside. Tied together with red ribbon through three hole punches. Extensive color staining and bleeding throughout. Due to exposure to the elements at the Wilkins memorial, the messages on this card are no longer visible.

White envelope with blue border and curlicue designs in the four corners. Handwritten note in black ink on the recto reads: "Tree of Life Congregation." Staining and color fading due to exposure to the elements at the Wilkins memorial. The reverse side features a diamond pattern and has suffered from extensive tearing due to exposure to the elements at the Wilkins memorial.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Letter from administrators and affiliated staff at The Center for Global Understanding and Peacemaking at Elizabethtown College. The front of the letter is inscribed with letterhead from the The Center for Global Understanding and Peacemaking at Elizabethtown College. Message reads: "Elizabethtown College's Center for Global Understanding and Peacemaking shares our concerns and prayers for your community at this sad and difficult time.

Post-it note with handwritten message in green marker. The message reads: "In this time where hate is prevalent...let's remind each other of how much good there is and teach our children the importance of."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "My prayer and heart are with you all. May God's Grace lift yours in this time of sorrow-." Signed with a heart symbol.