Blank pink envelope with tape affixed on the reverse. Staining and fading due to exposure to the elements at the Wilkins memorial.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark.

Post-it note with handwritten message in blue ink. The message reads: "Prayers for Pittsburg[h]. May this never happen again anywhere." Color bleeding due to exposure to the elements.

Post-it note with handwritten message in blue ink. The message reads: "We love [heart] Tree of Life." Staining and color bleeding due to exposure to the elements at the Wilkins memorial.

Card from the Friendship Circle of Illinois. The front cover reads: "To the Jewish community of Pittsburgh sheyichyu (may they live)." The inside reads: "I heard what happened and give my fullest sympathy. I am heartbroken by what happened, and really hope moshiach (the Messiah) will come and you'll be united with your dear ones." Spelling errors corrected for clarity.

Black and white sticker with the word "LOVE" in large capital letters.

Handout on grief, trauma, and critical incident stress debriefing, which was sent with the materials from Emergency Ministry Services, a faith-based training and disaster response NGO in San Juan Capistrano, Ca., affiliated with the Orange County Church on the Rock.

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Brother DANIEL STEIN z''l -- To his family and community we pray Tanuchamo min hashamayim. May God in Heaven comfort you. The Principals, Teachers, Parents, Alumni, and Students of Magen David Yeshivah. Brooklyn, NY." Part of a series of 11 flags, each dedicated to one of the victims. Additional photograph shows the entire set of 11.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Friends, Words cannot express our sorrow the losses you all have endured. That your community of faith, love, peace was assaulted with such hatred and brokenness-our hearts ache for you all. We stand with you in faith and love in the face of such destruction. We stand with you in prayers for comfort and healing in the midst of your pain. We stand with you as a force for love in a hurting world. The [last name redacted] Family, Lauren, Joel, Kieran, Micah."

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. The inside reads: "I'm so sorry for you this is terrible the synagogue was bad. You're in my prayers!! Sincerely, Emma Pack , Holy Angels, Grade 4." Spelling errors corrected for clarity. Color bleeding due to water exposure at the memorial site.

Folded card with marker illustration. Cover reads "Stella." Interior reads, "We at Beth Chai Congregation offer our deepest condolences. Wishing full healing to the wounded and peace to those who loves the victims" with two decorative hearts and a Star of David and the name Oona [last name and other personal information redacted for privacy] Md. Back cover features a collage of balloons, cats, and stickers, and the word "LOVE."

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.

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 reads: "We are all God's People. Love and Praise." The church's contact information is included on the back of the envelope.

Post-it note with handwritten message in black marker. The message reads: "We will make the world a better place in the name of your memory."

Floral tag from floral arrangement addressed to the Congregation and Staff at Tree of Life Synagogue. The message is printed on flower tag from a local florist. Creasing due to exposure to the elements at the Wilkins memorial.

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.

Post-it note with handwritten message in blue ink. The message reads: "We are here."

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 blue ink. The note is written in Hebrew. Translated into English, the message reads: "May their memories be for a blessing. May God avenge their blood."